CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2021-42043
Medium (6.1) in mediawiki mediawiki. EPSS 0.8% chance of exploitation in the next 30 days.
An issue was discovered in Special:MediaSearch in the MediaSearch extension in MediaWiki through 1.36.2. The suggestion text (a parameter to mediasearch-did-you-mean) was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the intitle: search operator within the query.
Severity
- EPSS
- 0.8% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-11-01)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mediawiki:mediawiki