Vulnerability in Wikimedia Foundation MediaWiki - Abusefilter Extension

CVE-2025-53498

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-53498: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-53498?
CVE-2025-53498 is a medium-severity vulnerability in Wikimedia Foundation MediaWiki - Abusefilter Extension, classified under CWE-778. CVSS score: 5.3/10. Published 2025-07-07.
How severe is CVE-2025-53498?
Medium severity. CVSS v3 base score is 5.3 out of 10.