XSS in Mediawiki
CVE-2021-41798
MediaWiki before 1.36.2 allows XSS. Month related MediaWiki messages are not escaped before being used on the Special:Search results page.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.013 (67.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Mediawiki
- Fedoraproject Fedora — versions 33, 34, 35
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
Frequently asked questions
- What is CVE-2021-41798?
- CVE-2021-41798 is a medium-severity vulnerability in Mediawiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-10-11.
- How severe is CVE-2021-41798?
- Medium severity. CVSS v3 base score is 6.1 out of 10.