CVE-2025-53498

Lack of Audit Logging in AbuseFilter

5.3 Medium

Insufficient Logging vulnerability in Wikimedia Foundation Mediawiki - AbuseFilter Extension allows Data Leakage Attacks.This issue affects Mediawiki - AbuseFilter Extension: from 1.43.X before 1.43.2.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.28%Up 0.3 points since Jul 8, 2025

What each source reports

CVE List Score used 5.3

Lack of Audit Logging in AbuseFilter

Record: CVE-2025-53498
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-778
Updated: 2026-11-02

EUVDEUVD-2025-20312 5.3

Record: EUVD-2025-20312
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-8q9r-c4j3-x28f 5.3

: Insufficient Logging vulnerability in Wikimedia Foundation Mediawiki - AbuseFilter Extension...

: Insufficient Logging vulnerability in Wikimedia Foundation Mediawiki - AbuseFilter Extension allows Data Leakage Attacks.This issue affects Mediawiki - AbuseFilter Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Record: GHSA-8q9r-c4j3-x28f
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-778
Updated: 2026-11-02

NVD 5.3

Record: CVE-2025-53498
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-778
Updated: 2026-11-02

Affected products

wikimedia foundation mediawiki - abusefilter extension

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-53498 is a medium vulnerability (CVSS 5.3) in Wikimedia Foundation Mediawiki - Abusefilter Extension, published July 7, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.