What is CVE-2017-0362?

CVE-2017-0362 is a high-severity vulnerability in MediaWiki, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-04-13.

How severe is CVE-2017-0362?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in MediaWiki

CVE-2017-0362

Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw where the "Mark all pages visited" on the watchlist does not require a CSRF token.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-04-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (53.8th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: -0.000

Affected products

MediaWiki
Debian Linux — versions 7.0

Weakness classification (CWE)

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

References

phabricator.wikimedia.org/T150044 (Third Party Advisory, Issue Tracking)
lists.wikimedia.org/pipermail/mediawiki-announce/2017-April/000207.html (Vendor Advisory, mailing-list)
security-tracker.debian.org/tracker/CVE-2017-0362 (Third Party Advisory)

Frequently asked questions

What is CVE-2017-0362?: CVE-2017-0362 is a high-severity vulnerability in MediaWiki, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-04-13.
How severe is CVE-2017-0362?: High severity. CVSS v3 base score is 8.8 out of 10.