An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On Special:NewFiles, all the mediastatistics-header-* messages are output in HTML unescaped, leading to XSS.
CVSS Details
- CVSS 3.1 Base Score: 6.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade mediawiki | Apr 12, 2021 | Apr 6, 2021 |
| Gentoo Linux | — | Upgrade www-apps/mediawiki. | Jul 19, 2021 | Apr 6, 2021 |
| Mediawiki | — | Upgrade MediaWiki to the latest version | Apr 12, 2021 | Apr 6, 2021 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Apr 6, 2021 |
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