CVE-2020-25828
Fixed in a distro release EPSS 1%
An issue was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. The non-jqueryMsg version of mw.message().parse() doesn't escape HTML. This affects both message contents (which are generally safe) and the parameters (which can be based on user input). (When jqueryMsg is loaded, it correctly accepts only whitelisted tags in message contents, and escapes all parameters. Situations with an unloaded jqueryMsg are rare in practice, but can for example occur for Special:SpecialPages on a wiki with no extensions installed.)
Products: mediawiki, fedoraproject fedora
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| Packagist | mediawiki/core | 1.31.9 |
| Packagist | mediawiki/core | 1.34.3 |
| Packagist | mediawiki/core | 1.35.0 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 10 | mediawiki | 1:1.31.10-1~deb10u1 |
| Debian 12 | mediawiki | 1:1.35.0-1 |
| Debian 13 | mediawiki | 1:1.35.0-1 |
| Debian 14 | mediawiki | 1:1.35.0-1 |
| Debian 9 | mediawiki | 1:1.27.7-1~deb9u4 |
| Ubuntu 18.04 LTS | mediawiki | no fix |
| Ubuntu Pro 20.04 LTS | mediawiki | no fix |