CVE-2025-53495

9.1 CRITICAL

Published: July 07, 2025 Modified: April 15, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

https://phabricator.wikimedia.org/T396750

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.1 / 10.0

EPSS (Exploit Probability)

0.1%

23th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-862

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