Vulnerability CVE-2024-31981
Published: 2024-04-10

Description:
XWiki Platform is a generic wiki platform. Starting in version 3.0.1 and prior to versions 4.10.20, 15.5.4, and 15.10-rc-1, remote code execution is possible via PDF export templates. This vulnerability has been patched in XWiki 14.10.20, 15.5.4 and 15.10-rc-1. If PDF templates are not typically used on the instance, an administrator can create the document `XWiki.PDFClass` and block its edition, after making sure that it does not contain a `style` attribute. Otherwise, there are no known workarounds aside from upgrading.

 References:
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vxwr-wpjv-qjq7
https://github.com/xwiki/xwiki-platform/commit/480186f9d2fca880513da8bc5a609674d106cbd3
https://github.com/xwiki/xwiki-platform/commit/a4ad14d9c1605a5ab957237e505ebbb29f5b9d73
https://github.com/xwiki/xwiki-platform/commit/d28e21a670c69880b951e415dd2ddd69d273eae9
https://jira.xwiki.org/browse/XWIKI-21337
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