CVE-2025-53495

9.1 criticalEPSS 0.3%

Critical (9.1). EPSS 0.3% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - AbuseFilter Extension allows Unauthorized Access.This issue affects Mediawiki - AbuseFilter Extension: from 1.43.X before 1.43.2.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2025-07-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/1166040
https://phabricator.wikimedia.org/T396750

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