CVE-2023-29522 Code injection from view right on XWiki.ClassSheet in xwiki-platform
Attackers with view rights can execute arbitrary scripts via crafted page names, leading to remote code execution and full wiki access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-29522?
CVE-2023-29522 is a critical code injection vulnerability in Xwiki Xwiki, published on 18 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. The attack works by opening a non-existing page with a name crafted to contain a dangerous payload. This issue has been patched in XWiki 14.4.8, 14.10.3 and 15.0RC1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-74
Which versions are affected by CVE-2023-29522?
4 open source packages ship an affected version, including org.xwiki.platform:xwiki-platform-xclass-ui. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.xwiki.platform:xwiki-platform-xclass-ui Maven | From 14.5 | 14.10.3 |
org.xwiki.platform:xwiki-platform-xclass-ui Maven | From 14.5 | 14.10.3 |
org.xwiki.platform:xwiki-platform-xclass-ui Maven | From 7.0-rc-1 | 14.4.8 |
org.xwiki.platform:xwiki-platform-xclass-ui Maven | From 7.0-rc-1 | 14.4.8 |
Products include Xwiki Xwiki.
How do I fix CVE-2023-29522?
Upgrade org.xwiki.platform:xwiki-platform-xclass-ui to a fixed version for your release line: 14.10.3 or 14.4.8.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-29522 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29522 exists.
Other vulnerabilities in Xwiki Xwiki
- CVE-2025-24893 XWiki Platform Eval Injection
- CVE-2025-53836 XWiki Rendering is vulnerable to RCE attacks when processing nested macros
- CVE-2024-55662 XWiki allows remote code execution through the extension sheet
- CVE-2024-55877 XWiki allows remote code execution from account through macro descriptions and XWiki.XWikiSyntaxMacrosList
- CVE-2024-37901 XWiki Platform vulnerable to remote code execution from account via SearchSuggestConfigSheet
Sources
Also known as GHSA-mjw9-3f9f-jq2w.