Eval Injection in XWiki platform - CVE-2023-37909
Published: October 25, 2023 / Updated: May 5, 2026
Vulnerability identifier: #VU129925
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-37909
CWE-ID: CWE-95
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: XWiki
Affected software:
XWiki platform
XWiki platform
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to improper neutralization of directives in dynamically evaluated code in Menu.UIExtensionSheet when processing user-controlled UIExtensionClass data from a user profile. A remote user can add a crafted UIExtensionClass object to their own profile and access the sheet to execute arbitrary code.
The issue can be exploited by a user who is able to edit their own user profile, and it also allows unrestricted read and write access to all wiki contents.
How to mitigate CVE-2023-37909
Install security update from vendor's website.