CVE-2023-29519 Code injection in org.xwiki.platform:xwiki-platform-attachment-ui
A registered user can achieve remote code execution and privilege escalation by injecting malicious code into an attachment selector property field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-29519?
CVE-2023-29519 is a critical code injection vulnerability in Xwiki Xwiki, published on 18 Apr 2023. An attacker can exploit it over the internet without logging in, 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. A registered user can perform remote code execution leading to privilege escalation by injecting the proper code in the "property" field of an attachment selector, as a gadget of their own dashboard. Note that the vulnerability does not impact comments of a wiki. The vulnerability has been patched in XWiki 13.10.11, 14.4.8, 14.10.2, 15.0-rc-1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-74
Which versions are affected by CVE-2023-29519?
6 open source packages ship an affected version, including org.xwiki.platform:xwiki-platform-attachment-ui. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.xwiki.platform:xwiki-platform-attachment-ui Maven | From 14.0-rc-1 | 14.4.8 |
org.xwiki.platform:xwiki-platform-attachment-ui Maven | From 14.0-rc-1 | 14.4.8 |
org.xwiki.platform:xwiki-platform-attachment-ui Maven | From 14.5 | 14.10.2 |
org.xwiki.platform:xwiki-platform-attachment-ui Maven | From 14.5 | 14.10.2 |
org.xwiki.platform:xwiki-platform-attachment-ui Maven | From 3.0-rc-1 | 13.10.11 |
org.xwiki.platform:xwiki-platform-attachment-ui Maven | From 3.0-rc-1 | 13.10.11 |
Products include Xwiki Xwiki.
How do I fix CVE-2023-29519?
Upgrade org.xwiki.platform:xwiki-platform-attachment-ui to a fixed version for your release line: 14.4.8, 14.10.2 or 13.10.11.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-29519 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29519 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-3hjg-cghv-22ww.