CVE-2025-61638 Affecting mediawiki package, versions <1:1.39.17-1~deb12u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.27% (18th percentile)

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  • Snyk IDSNYK-ECHOLATEST-MEDIAWIKI-20414359
  • published3 Oct 2026
  • disclosed3 Feb 2026

Introduced: 3 Feb 2026

CVE-2025-61638  (opens in a new tab)

How to fix?

Upgrade Echo:latest mediawiki to version 1:1.39.17-1~deb12u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid. This vulnerability is associated with program files includes/parser/Sanitizer.Php, src/Core/Sanitizer.Php.

This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1; Parsoid: from * before 0.16.6, 0.20.4, 0.21.1.

CVSS Base Scores

version 3.1