Description
A remote code execution (RCE) vulnerability exists in the PluXml CMS theme editor, specifically in the minify.php file located under the default theme directory (/themes/defaut/css/minify.php). An authenticated administrator user can overwrite this file with arbitrary PHP code via the admin panel, enabling execution of system commands.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | pluxml | No fix yet | — |
| Ubuntu 20.04 LTS | pluxml | No fix yet | — |
| Ubuntu 18.04 LTS | pluxml | No fix yet | — |
| Ubuntu 16.04 LTS | pluxml | No fix yet | — |