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

Published Oct 22, 2025
·
Updated

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.

Affected Software

1 affected component
The Wikimedia Foundation MediaWiki CookieConsent>=0.1.0<2.0.0

Event History

Oct 22, 2025
CVE Published
via MITRE·03:31 PM
Data Sourced
via MITRE·03:31 PM
DescriptionWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-62659?

The severity of CVE-2025-62659 is rated as critical due to its potential for allowing Cross-Site Scripting (XSS) attacks.

2

How do I fix CVE-2025-62659?

To fix CVE-2025-62659, upgrade the MediaWiki CookieConsent extension to version 2.0.0 or later.

3

What software is affected by CVE-2025-62659?

CVE-2025-62659 affects The Wikimedia Foundation MediaWiki CookieConsent extension from version 0.1.0 up to but not including version 2.0.0.

4

What type of vulnerability is CVE-2025-62659?

CVE-2025-62659 is classified as an Improper Neutralization of Input During Web Page Generation, specifically a Cross-Site Scripting (XSS) vulnerability.

5

Can CVE-2025-62659 be exploited remotely?

Yes, CVE-2025-62659 can be exploited remotely by an attacker through malicious inputs on vulnerable MediaWiki sites.

Contact

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