Vulnerability-Lookup

FKIE_CVE-2021-24226

Vulnerability from fkie_nvd - Published: 2021-04-12 14:15 - Updated: 2026-06-17 03:39

Severity

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

Summary

In the AccessAlly WordPress plugin before 3.5.7, the file "resource/frontend/product/product-shortcode.php" responsible for the [accessally_order_form] shortcode is dumping serialize($_SERVER), which contains all environment variables. The leakage occurs on all public facing pages containing the [accessally_order_form] shortcode, no login or administrator role is required.

References

	URL	Tags
	contact@wpscan.com	https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16	Exploit, Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16	Exploit, Third Party Advisory

Impacted products

	Vendor	Product	Version
	accessally	accessally	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "AccessAlly",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "3.5.6*",
              "status": "affected",
              "version": "3.5.6",
              "versionType": "custom"
            },
            {
              "lessThan": "3.5.7",
              "status": "affected",
              "version": "3.5.7",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:accessally:accessally:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "5367730D-609C-4836-BEFB-81172CA275CF",
              "versionEndExcluding": "3.5.7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the AccessAlly WordPress plugin before 3.5.7, the file \"resource/frontend/product/product-shortcode.php\" responsible for the [accessally_order_form] shortcode is dumping serialize($_SERVER), which contains all environment variables. The leakage occurs on all public facing pages containing the [accessally_order_form] shortcode, no login or administrator role is required."
    },
    {
      "lang": "es",
      "value": "En el plugin AccessAlly WordPress versiones anteriores a 3.5.7, el archivo \"resource/frontend/product/product-shortcode.php\" responsable de que el shortcode [accessally_order_form] este volcando serialize($ _ SERVER), que contiene todas las variables de entorno.\u0026#xa0;El filtrado ocurre en todas las p\u00e1ginas p\u00fablicas que contienen el c\u00f3digo abreviado [accessally_order_form], no es requerido un inicio de sesi\u00f3n o rol de administrador"
    }
  ],
  "id": "CVE-2021-24226",
  "lastModified": "2026-06-17T03:39:38.160",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-04-12T14:15:15.913",
  "references": [
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "contact@wpscan.com",
      "type": "Secondary"
    }
  ]
}

CVE-2021-24226 (GCVE-0-2021-24226)

Vulnerability from cvelistv5 – Published: 2021-04-12 14:04 – Updated: 2024-08-03 19:21

Title

AccessAlly < 3.5.7 - $_SERVER Superglobal Leakage

Summary

Severity

No CVSS data available.

CWE

CWE-200 - Information Exposure

Assigner

WPScan CNA under the mitre root

CNA scorecard E 44/100 over 1852 records in the last 180 days details

References

1 reference

URL	Tags
https://wpscan.com/vulnerability/8e3e89fd-e380-41…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Unknown	AccessAlly	Affected: 3.5.6 , < 3.5.6* (custom) Affected: 3.5.7 , < 3.5.7 (custom)

Credits

Till Krüss

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:21:18.651Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "AccessAlly",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "3.5.6*",
              "status": "affected",
              "version": "3.5.6",
              "versionType": "custom"
            },
            {
              "lessThan": "3.5.7",
              "status": "affected",
              "version": "3.5.7",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Till Kr\u00fcss"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the AccessAlly WordPress plugin before 3.5.7, the file \"resource/frontend/product/product-shortcode.php\" responsible for the [accessally_order_form] shortcode is dumping serialize($_SERVER), which contains all environment variables. The leakage occurs on all public facing pages containing the [accessally_order_form] shortcode, no login or administrator role is required."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200 Information Exposure",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-12T14:04:46.000Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "AccessAlly \u003c 3.5.7 - $_SERVER Superglobal Leakage",
      "x_generator": "WPScan CVE Generator",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "contact@wpscan.com",
          "ID": "CVE-2021-24226",
          "STATE": "PUBLIC",
          "TITLE": "AccessAlly \u003c 3.5.7 - $_SERVER Superglobal Leakage"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "AccessAlly",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_name": "3.5.6",
                            "version_value": "3.5.6"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "3.5.7",
                            "version_value": "3.5.7"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Unknown"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Till Kr\u00fcss"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In the AccessAlly WordPress plugin before 3.5.7, the file \"resource/frontend/product/product-shortcode.php\" responsible for the [accessally_order_form] shortcode is dumping serialize($_SERVER), which contains all environment variables. The leakage occurs on all public facing pages containing the [accessally_order_form] shortcode, no login or administrator role is required."
            }
          ]
        },
        "generator": "WPScan CVE Generator",
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-200 Information Exposure"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16",
              "refsource": "CONFIRM",
              "url": "https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2021-24226",
    "datePublished": "2021-04-12T14:04:46.000Z",
    "dateReserved": "2021-01-14T00:00:00.000Z",
    "dateUpdated": "2024-08-03T19:21:18.651Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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

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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.

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