CVE Catalog

CVE-2025-62656

MediumCVSS 5.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.27%

18th percentile - higher than 18% of all known CVEs

Summary

The GlobalBlocking extension for MediaWiki contains a Stored XSS vulnerability due to improper neutralization of input during web page generation. The issue affects versions 1.43 and 1.44 of the extension.

Risk Assessment

An attacker could inject a malicious script that executes in other users' browsers, potentially leading to session or data theft. The risk affects organizations using MediaWiki with the GlobalBlocking extension.

Recommendation

Update the GlobalBlocking extension to a version containing the security fix. Consider disabling the extension until the update is applied.

Related vulnerabilities

Original NVD description (English source)

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki GlobalBlocking extension allows Stored XSS.This issue affects MediaWiki GlobalBlocking extension: 1.43, 1.44.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS