Information disclosure in Wikimedia Foundation MediaWiki

CVE-2025-6593

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/user/User.Php. This issue affects MediaWiki: from 1.27.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.

Vulnerability class: Information Disclosure

EPSS: 0.004 (32.3th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-6593?
CVE-2025-6593 is a vulnerability in Wikimedia Foundation MediaWiki, classified under Information Disclosure. Published 2026-02-02.
Is CVE-2025-6593 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.