جزئیات آسیب‌پذیری

XWiki is a generic wiki platform. When editing content that contains "dangerous" macros like malicious script macros that were authored by a user with fewer rights, XWiki warns about the execution of these macros since XWiki 15.9RC1. These required rights analyzers that trigger these warnings are incomplete, allowing an attacker to hide malicious content. For most macros, the existing analyzers don't consider non-lowercase parameters. Further, most macro parameters that can contain XWiki syntax like titles of information boxes weren't analyzed at all. Similarly, the "source" parameters of the content and context macro weren't anylzed even though they could contain arbitrary XWiki syntax. In the worst case, this could allow a malicious to add malicious script macros including Groovy or Python macros to a page that are then executed after another user with programming righs edits the page, thus allowing remote code execution. The required rights analyzers have been made more robust and extended to cover those cases in XWiki 16.4.7, 16.10.3 and 17.0.0.

• https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-c32m-27pj-4xcj x_refsource_CONFIRM
• https://github.com/xwiki/xwiki-platform/commit/0a705e8e253cb871b804e25c53b2bde879c886bd x_refsource_MISC
• https://github.com/xwiki/xwiki-platform/commit/3d451e957fe2b14459e9ac64172b4a0e4c46971c x_refsource_MISC
• https://github.com/xwiki/xwiki-platform/commit/abdcefc0db27035b67329add836fd683e0cf92b8 x_refsource_MISC
• https://github.com/xwiki/xwiki-platform/commit/cc74dc802efe0e2d3fa2ba3355dbadc51c5fd8c7 x_refsource_MISC
• https://jira.xwiki.org/browse/XWIKI-22758 x_refsource_MISC
• https://jira.xwiki.org/browse/XWIKI-22759 x_refsource_MISC
• https://jira.xwiki.org/browse/XWIKI-22763 x_refsource_MISC
• https://jira.xwiki.org/browse/XWIKI-22799 x_refsource_MISC