CVE-2026-96879: "Checked by" label in page history should not be shown if the underlying review log entry is suppressed"

Severity: medium (CVSS 6.9 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-25 · updated 2026-09-29
Weakness: CWE-212

Description

Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension through 1.46.0.

Affected products

The Wikimedia Foundation Mediawiki - FlaggedRevs extension: through 1.46.0

References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FlaggedRevs/+/1344737
https://phabricator.wikimedia.org/T433020

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