CVE-2025-6590 Affecting mediawiki package, versions <1:1.39.13-1~deb12u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ECHOLATEST-MEDIAWIKI-20414269
- published3 Oct 2026
- disclosed2 Feb 2026
Introduced: 2 Feb 2026
CVE-2025-6590 (opens in a new tab)How to fix?
Upgrade Echo:latest mediawiki to version 1:1.39.13-1~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.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.
This issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.