What is CVE-2025-61658?

CVE-2025-61658 is a medium-severity vulnerability in Mediawiki Checkuser, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-02-03.

How severe is CVE-2025-61658?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Path Traversal in Mediawiki Checkuser

CVE-2025-61658

Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/GlobalContributions/GlobalContributionsPager.Php. This issue affects CheckUser: from * before 1.43.4, 1.44.1.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.002 (14.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mediawiki Checkuser — versions 1.44.0
Wikimedia Foundation Checkuser

Weakness classification (CWE)

CWE-22 — Path Traversal

References

c4f26cc8-17ff-4c99-b5e2-38fc1793eacc (Permissions Required)

Frequently asked questions

What is CVE-2025-61658?: CVE-2025-61658 is a medium-severity vulnerability in Mediawiki Checkuser, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-02-03.
How severe is CVE-2025-61658?: Medium severity. CVSS v3 base score is 4.3 out of 10.