XSS in MediaWiki
CVE-2024-23179
An issue was discovered in the GlobalBlocking extension in MediaWiki before 1.40.2. For a Special:GlobalBlock?uselang=x-xss URI, i18n-based XSS can occur via the parentheses message. This affects subtitle links in buildSubtitleLinks.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/mess… (Patch, Release Notes, Issue Tracking)
- phabricator.wikimedia.org/T347746 (Exploit, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-23179?
- CVE-2024-23179 is a medium-severity vulnerability in MediaWiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-01-12.
- How severe is CVE-2024-23179?
- Medium severity. CVSS v3 base score is 6.1 out of 10.