CVE-2025-6590

Complete content leak of private wikis due to PasswordReset Wikitext injection in error message

CVSS 4.6 MEDIUMEPSS 0.3%CWE-200

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.

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N

Affected products

Wikimedia Foundation · MediaWiki

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References

https://phabricator.wikimedia.org/T392746