CVE-2025-53499

CRITICAL EPSS 20.6%

Published Jul 7, 202511mo ago · Modified Jun 17, 20261w ago

9.1 CVSS 3.1

Critical

Published Jul 7, 2025 11mo ago

Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score

9.1

Exploitability

3.9

Impact

5.2

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability None

Threat Intelligence

EPSS Exploit Probability

20.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

References 2

gerrit.wikimedia.org https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/1166045
phabricator.wikimedia.org https://phabricator.wikimedia.org/T397196

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.