Vulnerability-Lookup

FKIE_CVE-2025-66103

Vulnerability from fkie_nvd - Published: 2025-12-30 17:15 - Updated: 2026-04-01 17:28

Severity ?

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in revmakx WPCal.io wpcal allows DOM-Based XSS.This issue affects WPCal.io: from n/a through <= 0.9.5.9.

References

	URL	Tags
	audit@patchstack.com	https://patchstack.com/database/Wordpress/Plugin/wpcal/vulnerability/wordpress-wpcal-io-plugin-0-9-5-9-cross-site-scripting-xss-vulnerability?_s_id=cve

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) vulnerability in revmakx WPCal.io wpcal allows DOM-Based XSS.This issue affects WPCal.io: from n/a through \u003c= 0.9.5.9."
    },
    {
      "lang": "es",
      "value": "Neutralizaci\u00f3n Inadecuada de la Entrada Durante la Generaci\u00f3n de P\u00e1ginas Web (\u0027cross-site scripting\u0027) vulnerabilidad en Revmakx WPCal.Io permite XSS basado en DOM. Este problema afecta a WPCal.Io: desde n/a hasta 0.9.5.9."
    }
  ],
  "id": "CVE-2025-66103",
  "lastModified": "2026-04-01T17:28:15.343",
  "metrics": {},
  "published": "2025-12-30T17:15:43.210",
  "references": [
    {
      "source": "audit@patchstack.com",
      "url": "https://patchstack.com/database/Wordpress/Plugin/wpcal/vulnerability/wordpress-wpcal-io-plugin-0-9-5-9-cross-site-scripting-xss-vulnerability?_s_id=cve"
    }
  ],
  "sourceIdentifier": "audit@patchstack.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "audit@patchstack.com",
      "type": "Secondary"
    }
  ]
}

CVE-2025-66103 (GCVE-0-2025-66103)

Vulnerability from cvelistv5 – Published: 2025-12-30 16:43 – Updated: 2026-04-01 16:00

Title

WordPress WPCal.io plugin <= 0.9.5.9 - Cross Site Scripting (XSS) vulnerability

Summary

Severity ?

No CVSS data available.

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

Patchstack

References

URL

Tags

https://patchstack.com/database/Wordpress/Plugin/…

vdb-entry

Impacted products

	Vendor	Product	Version
	revmakx	WPCal.io	Affected: 0 , ≤ 0.9.5.9 (custom)

Date Public ?

2026-04-01 16:43

Credits

Peter Thaleikis | Patchstack Bug Bounty Program

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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            "other": {
              "content": {
                "id": "CVE-2025-66103",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-30T19:23:56.667394Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-30T19:24:11.198Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "packageName": "wpcal",
          "product": "WPCal.io",
          "vendor": "revmakx",
          "versions": [
            {
              "changes": [
                {
                  "at": "0.9.5.10",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "0.9.5.9",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Peter Thaleikis | Patchstack Bug Bounty Program"
        }
      ],
      "datePublic": "2026-04-01T16:43:36.882Z",
      "descriptions": [
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              "type": "text/html",
              "value": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) vulnerability in revmakx WPCal.io wpcal allows DOM-Based XSS.\u003cp\u003eThis issue affects WPCal.io: from n/a through \u003c= 0.9.5.9.\u003c/p\u003e"
            }
          ],
          "value": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) vulnerability in revmakx WPCal.io wpcal allows DOM-Based XSS.This issue affects WPCal.io: from n/a through \u003c= 0.9.5.9."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-588",
          "descriptions": [
            {
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              "value": "DOM-Based XSS"
            }
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      ],
      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-01T16:00:23.699Z",
        "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "shortName": "Patchstack"
      },
      "references": [
        {
          "tags": [
            "vdb-entry"
          ],
          "url": "https://patchstack.com/database/Wordpress/Plugin/wpcal/vulnerability/wordpress-wpcal-io-plugin-0-9-5-9-cross-site-scripting-xss-vulnerability?_s_id=cve"
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      ],
      "title": "WordPress WPCal.io plugin \u003c= 0.9.5.9 - Cross Site Scripting (XSS) vulnerability"
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  "cveMetadata": {
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    "assignerShortName": "Patchstack",
    "cveId": "CVE-2025-66103",
    "datePublished": "2025-12-30T16:43:38.792Z",
    "dateReserved": "2025-11-21T11:21:20.344Z",
    "dateUpdated": "2026-04-01T16:00:23.699Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2025-66103

CVE-2025-66103 (GCVE-0-2025-66103)

Tags

Sightings

Nomenclature