Servers and applications
CVE-2020-35479
MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. Language::translateBlockExpiry itself does not escape in all code paths. For example, the return of Language::userTimeAndDate is is always unsafe for HTML in a month value. This affects MediaWiki 1.12.0 and later.
- Severity
- Medium 6.1
- Published
- 18 Dec 2020
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 1.35.1
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki |
|