Unrated severityNVD Advisory· Published Sep 30, 2026

CVE-2026-103050

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - MassMessage extension allows Stored XSS.

This issue affects Mediawiki - MassMessage extension: before 1.46.1, 1.45.5, 1.43.10.

Affected products

Wikimedia Foundation/Mediawiki - MassMessage extensionllm-create
Range: <1.46.1, <1.45.5, <1.43.10

Patches

Vulnerability mechanics

References

gerrit.wikimedia.org/r/c/1346089nvd
phabricator.wikimedia.org/T432341nvd

News mentions

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