Fluid Attacks Database

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php. This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Component	Affected version	Patched versions
debian 13	mediawiki	>=0 <1:1.43.1+dfsg-1	1:1.43.1+dfsg-1
debian 12	mediawiki	=1:1.39.10-1 \|\| =1:1.39.10-1~deb12u1 \|\| =1:1.39.2-1 \|\| =1:1.39.4-1 \|\| =1:1.39.4-1~deb12u1 \|\| =1:1.39.4-2 \|\| =1:1.39.5-1 \|\| =1:1.39.5-1~deb12u1 \|\| =1:1.39.6-1 \|\| =1:1.39.7-1 \|\| =1:1.39.7-1~deb12u1 \|\| =1:1.39.8-1 \|\| >=0 <1:1.39.12-1~deb12u1	1:1.39.12-1~deb12u1
debian 14	mediawiki	>=0 <1:1.43.1+dfsg-1	1:1.43.1+dfsg-1

Aliases

1. CVE-2025-34692. NVD-2025-34693. OSV-DEBIAN-2025-34694. OSV-2025-34695. SECURITY-TRACKER-CVE-2025-3469

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