What is CVE-2026-58518?

CVE-2026-58518 is a medium-severity vulnerability in Mediawiki, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.3/10. Published 2026-07-01.

How severe is CVE-2026-58518?

Medium severity. CVSS v3 base score is 6.3 out of 10.

CSRF in Mediawiki

CVE-2026-58518

Cross-Site request forgery (CSRF) vulnerability in The Wikimedia Foundation Mediawiki - RedirectManager Extension allows Cross Site Request Forgery. This issue affects Mediawiki - RedirectManager Extension: from * before 1.3.3.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.001 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

c4f26cc8-17ff-4c99-b5e2-38fc1793eacc (Third Party Advisory)
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc (Issue Tracking)

Frequently asked questions

What is CVE-2026-58518?: CVE-2026-58518 is a medium-severity vulnerability in Mediawiki, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.3/10. Published 2026-07-01.
How severe is CVE-2026-58518?: Medium severity. CVSS v3 base score is 6.3 out of 10.