Critical, CVSS 9.0MavenPublished
XWiki Realtime WYSIWYG Editor extension allows privilege escalation (PR) through realtime WYSIWYG editing
CVE-2025-23025 · GHSA-rmm7-r7wr-xpfg
- Affected
- Maven org.xwiki.platform:xwiki-platform-realtime-wysiwyg-ui >= 13.9-rc-1, < 15.10.12; >= 16.0.0-rc-1, < 16.4.1; >= 16.5.0-rc-1, < 16.6.0-rc-1
- Fixed in
- 15.10.1216.4.116.6.0-rc-1· Vendor fix available
- Issue
- Impact NOTE: The Realtime WYSIWYG Editor extension was experimental, and thus not recommended, in the versions affected by this vulnerability. It has become enabled by default, and thus recommended, starting with XWiki 16.9.0. A user with only edit right can join a realtime editing session where others, that where already there or that may join later, have script or programming access rights. This user can then insert script rendering macros that are executed for those users in the realtime session that have script or programming rights. The inserted scripts can be used to gain more access rights. Here's an example that works with XWiki 15.10.9+ and 16.2.0+: the attacker starts editing a wiki page in realtime (for which they have edit right) another user, with script or programming access right joins the editing session (e.g. by clicking on a link / URL provided by the attacker) the attacker inserts a script rendering macro, say {{velocity}}I can run scripts{{/velocity}}, in the…
Recommended action: Upgrade to 16.6.0-rc-1 (pre-release), 16.4.1 or 15.10.12 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.