In short
- CVE-2020-25812 is a MEDIUM (CVSS 6.1) vulnerability affecting mediawiki/core, mediawiki (mediawiki).
- Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 65.8% of all vulnerabilities.
- Fix: update to 1.34.3, 1.35.0, 1.34.4 or later.
| Package | Affected versions | Patched versions |
|---|
| mediawiki/core Packagist | ≥ 1.34.0, < 1.34.3≥ 1.35.0-rc.0, < 1.35.0
| 1.34.31.35.0
|
| mediawiki | ≥ 1.34.0, < 1.34.4
| 1.34.4
|
Description
An issue was discovered in MediaWiki 1.34.x before 1.34.3. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.
NVD description
An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.
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