CVE-2025-62659 LOW

CVE-2025-62659: The CookieConsent extension does not properly use reserved data attributes, thus introducing potential XSS vectors

Vendor The Wikimedia Foundation
Product MediaWiki CookieConsent extension
Weakness CWE-79 · XSS
Published October 22, 2025
Last update October 22, 2025
View on NVD All CVEs

CVSS base score

2.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:C/RE:M/U:Amber

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki CookieConsent extension: from v0.1.0 before v2.0.0.

Key dates

02Disclosure timeline

October 22, 2025 CVE published
October 22, 2025 Record updated