Vulnerability-Lookup

CVE-2025-5821 (GCVE-0-2025-5821)

Vulnerability from cvelistv5 – Published: 2025-08-23 06:43 – Updated: 2026-04-08 16:47

Previdian

Title

Case Theme User <= 1.0.3 - Authentication Bypass via Social Login

Summary

The Case Theme User plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.0.3. This is due to the plugin not properly logging in a user with the data that was previously verified through the facebook_ajax_login_callback() function. This makes it possible for unauthenticated attackers to log in as administrative users, as long as they have an existing account on the site which can easily be created by default through the temp user functionality, and access to the administrative user's email.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-25 18:17 UTC

CWE

CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Assigner

Wordfence CNA under the mitre root

CNA scorecard C 65/100 over 2430 records in the last 180 days details

References

2 references

URL	Tags
https://www.wordfence.com/threat-intel/vulnerabil…
https://themeforest.net/item/consultio-consulting…

Impacted products

1 product

Vendor	Product	Version	CPE status
Case-Themes	Case Theme User	Affected: 0 , ≤ 1.0.3 (semver)	guessed

Credits

Friderika Baranyai

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: ecd01b57-baf6-4215-b130-c74a585ee5c0

Vulnerability ID: CVE-2025-5821

Status: Confirmed

Status Updated: 2026-06-11 00:20 UTC

Exploited: Yes

Timestamps

First Seen: 2026-06-11

Asserted: 2026-06-11

Scope

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details

Feed	KEVIntel (kevintel.com)
Title	Case Theme User <= 1.0.3 - Authentication Bypass via Social Login
Vendor	Case-Themes
Product	Case Theme User
Added Date	2026-06-11T00:20:49.551Z
Cvss Score	9.8
Epss Score	0.00714
Cvss Severity	CRITICAL
Epss Percentile	0.48822
Used In Malware	unknown
Ahead Of Cisa Kev	None
Not Yet In Cisa Kev	True

References

Created: 2026-06-19 12:42 UTC | Updated: 2026-06-19 12:42 UTC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-5821",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-25T18:17:09.014095Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-25T18:17:24.250Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Case Theme User",
          "vendor": "Case-Themes",
          "versions": [
            {
              "lessThanOrEqual": "1.0.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Friderika Baranyai"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Case Theme User plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.0.3. This is due to the plugin not properly logging in a user with the data that was previously verified through the facebook_ajax_login_callback() function. This makes it possible for unauthenticated attackers to log in as administrative users, as long as they have an existing account on the site which can easily be created by default through the temp user functionality, and access to the administrative user\u0027s email."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-288",
              "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-08T16:47:36.348Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3ce95a04-11bd-488e-ad25-1b661e083eb2?source=cve"
        },
        {
          "url": "https://themeforest.net/item/consultio-consulting-business-wordpress/25376496"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-06-25T13:09:57.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2025-08-22T18:31:18.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "Case Theme User \u003c= 1.0.3 - Authentication Bypass via Social Login"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2025-5821",
    "datePublished": "2025-08-23T06:43:35.611Z",
    "dateReserved": "2025-06-06T19:12:24.245Z",
    "dateUpdated": "2026-04-08T16:47:36.348Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-5821",
      "date": "2026-11-11",
      "epss": "0.00761",
      "percentile": "0.55759"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Case Theme User",
                "vendor": "Case-Themes",
                "versions": [
                  {
                    "lessThanOrEqual": "1.0.3",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "security@wordfence.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The Case Theme User plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.0.3. This is due to the plugin not properly logging in a user with the data that was previously verified through the facebook_ajax_login_callback() function. This makes it possible for unauthenticated attackers to log in as administrative users, as long as they have an existing account on the site which can easily be created by default through the temp user functionality, and access to the administrative user\u0027s email."
          },
          {
            "lang": "es",
            "value": "El complemento Case Theme User para WordPress es vulnerable a la omisi\u00f3n de autenticaci\u00f3n en todas las versiones hasta la 1.0.3 incluida. Esto se debe a que el complemento no inicia sesi\u00f3n correctamente con los datos previamente verificados mediante facebook_ajax_login_callback(). Esto permite que atacantes no autenticados inicien sesi\u00f3n como usuarios administrativos, siempre que tengan una cuenta en el sitio y acceso al correo electr\u00f3nico del usuario administrativo."
          }
        ],
        "id": "CVE-2025-5821",
        "lastModified": "2026-06-17T09:48:48.753",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "security@wordfence.com",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2025-5821",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "yes"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-25T18:17:09.014095Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2025-08-23T07:15:32.507",
        "references": [
          {
            "source": "security@wordfence.com",
            "url": "https://themeforest.net/item/consultio-consulting-business-wordpress/25376496"
          },
          {
            "source": "security@wordfence.com",
            "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3ce95a04-11bd-488e-ad25-1b661e083eb2?source=cve"
          }
        ],
        "sourceIdentifier": "security@wordfence.com",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-288"
              }
            ],
            "source": "security@wordfence.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-04-08T19:33:47+00:00",
      "cve": "CVE-2025-5821",
      "id": "CVE-2025-5821",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Case Theme User \u003c= 1.0.3 - Authentication Bypass via Social Login",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-5821.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2025-5821",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-08-25T18:17:09.014095Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-08-25T18:17:17.864Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Case Theme User",
              "vendor": "Case-Themes",
              "versions": [
                {
                  "lessThanOrEqual": "1.0.3",
                  "status": "affected",
                  "version": "0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Friderika Baranyai"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "The Case Theme User plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.0.3. This is due to the plugin not properly logging in a user with the data that was previously verified through the facebook_ajax_login_callback() function. This makes it possible for unauthenticated attackers to log in as administrative users, as long as they have an existing account on the site which can easily be created by default through the temp user functionality, and access to the administrative user\u0027s email."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-288",
                  "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-08T16:47:36.348Z",
            "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
            "shortName": "Wordfence"
          },
          "references": [
            {
              "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3ce95a04-11bd-488e-ad25-1b661e083eb2?source=cve"
            },
            {
              "url": "https://themeforest.net/item/consultio-consulting-business-wordpress/25376496"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2025-06-25T13:09:57.000Z",
              "value": "Vendor Notified"
            },
            {
              "lang": "en",
              "time": "2025-08-22T18:31:18.000Z",
              "value": "Disclosed"
            }
          ],
          "title": "Case Theme User \u003c= 1.0.3 - Authentication Bypass via Social Login"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "assignerShortName": "Wordfence",
        "cveId": "CVE-2025-5821",
        "datePublished": "2025-08-23T06:43:35.611Z",
        "dateReserved": "2025-06-06T19:12:24.245Z",
        "dateUpdated": "2026-04-08T16:47:36.348Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2025-5821

Vulnerability from fkie_nvd - Published: 2025-08-23 07:15 - Updated: 2026-06-17 09:48

Previdian

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	security@wordfence.com	https://themeforest.net/item/consultio-consulting-business-wordpress/25376496
	security@wordfence.com	https://www.wordfence.com/threat-intel/vulnerabilities/id/3ce95a04-11bd-488e-ad25-1b661e083eb2?source=cve

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Case Theme User",
          "vendor": "Case-Themes",
          "versions": [
            {
              "lessThanOrEqual": "1.0.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@wordfence.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Case Theme User plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.0.3. This is due to the plugin not properly logging in a user with the data that was previously verified through the facebook_ajax_login_callback() function. This makes it possible for unauthenticated attackers to log in as administrative users, as long as they have an existing account on the site which can easily be created by default through the temp user functionality, and access to the administrative user\u0027s email."
    },
    {
      "lang": "es",
      "value": "El complemento Case Theme User para WordPress es vulnerable a la omisi\u00f3n de autenticaci\u00f3n en todas las versiones hasta la 1.0.3 incluida. Esto se debe a que el complemento no inicia sesi\u00f3n correctamente con los datos previamente verificados mediante facebook_ajax_login_callback(). Esto permite que atacantes no autenticados inicien sesi\u00f3n como usuarios administrativos, siempre que tengan una cuenta en el sitio y acceso al correo electr\u00f3nico del usuario administrativo."
    }
  ],
  "id": "CVE-2025-5821",
  "lastModified": "2026-06-17T09:48:48.753",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "security@wordfence.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-5821",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-08-25T18:17:09.014095Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-08-23T07:15:32.507",
  "references": [
    {
      "source": "security@wordfence.com",
      "url": "https://themeforest.net/item/consultio-consulting-business-wordpress/25376496"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3ce95a04-11bd-488e-ad25-1b661e083eb2?source=cve"
    }
  ],
  "sourceIdentifier": "security@wordfence.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-288"
        }
      ],
      "source": "security@wordfence.com",
      "type": "Secondary"
    }
  ]
}

GHSA-8V37-Q45V-WGRX

Vulnerability from github – Published: 2025-08-23 09:30 – Updated: 2025-08-23 09:30

Details

The Case Theme User plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.0.3. This is due to the plugin not properly logging a user in with the data that was previously verified through the facebook_ajax_login_callback(). This makes it possible for unauthenticated attackers to log in as administrative users, as long as they have an existing account on the site, and access to the administrative user's email.

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-5821"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-288"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-23T07:15:32Z",
    "severity": "CRITICAL"
  },
  "details": "The Case Theme User plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.0.3. This is due to the plugin not properly logging a user in with the data that was previously verified through the facebook_ajax_login_callback(). This makes it possible for unauthenticated attackers to log in as administrative users, as long as they have an existing account on the site, and access to the administrative user\u0027s email.",
  "id": "GHSA-8v37-q45v-wgrx",
  "modified": "2025-08-23T09:30:22Z",
  "published": "2025-08-23T09:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-5821"
    },
    {
      "type": "WEB",
      "url": "https://themeforest.net/item/consultio-consulting-business-wordpress/25376496"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3ce95a04-11bd-488e-ad25-1b661e083eb2?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-5821 (GCVE-0-2025-5821)

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Successful Exploitation Confidence: 70% Source: kevintel

Details

References

FKIE_CVE-2025-5821

GHSA-8V37-Q45V-WGRX

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour