Eval Injection in XWiki platform - CVE-2023-30537
Published: April 12, 2023 / Updated: May 5, 2026
Vulnerability identifier: #VU129975
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-30537
CWE-ID: CWE-95
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
XWiki platform
XWiki platform
Software vendor:
XWiki
XWiki
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 FlamingoThemesCode.WebHomeSheet when rendering theme style properties from user-controlled objects. A remote user can add a crafted Theme Class object with malicious style content to execute arbitrary code.
The vulnerable page is installed by default, and exploitation requires the right to add an object on a page.
Remediation
Install security update from vendor's website.