Unrestricted file upload vulnerability in the chunk upload API in MediaWiki 1.19 through 1.19.6 and 1.20.x before 1.20.6 allows remote attackers to execute arbitrary code by uploading a file with an executable extension.
| Software | From | Fixed in |
|---|---|---|
| mediawiki / mediawiki | 1.19 | 1.19.x |
| mediawiki / mediawiki | 1.19-beta_1 | 1.19-beta_1.x |
| mediawiki / mediawiki | 1.20.5 | 1.20.5.x |
| mediawiki / mediawiki | 1.20.1 | 1.20.1.x |
| mediawiki / mediawiki | 1.19.3 | 1.19.3.x |
| mediawiki / mediawiki | 1.19.1 | 1.19.1.x |
| mediawiki / mediawiki | 1.20.4 | 1.20.4.x |
| mediawiki / mediawiki | 1.20.2 | 1.20.2.x |
| mediawiki / mediawiki | 1.19.6 | 1.19.6.x |
| mediawiki / mediawiki | 1.20.3 | 1.20.3.x |
| mediawiki / mediawiki | 1.19-beta_2 | 1.19-beta_2.x |
| mediawiki / mediawiki | 1.19.5 | 1.19.5.x |
| mediawiki / mediawiki | 1.19.0 | 1.19.0.x |
| mediawiki / mediawiki | 1.19.4 | 1.19.4.x |
| mediawiki / mediawiki | 1.19.2 | 1.19.2.x |