Improper Encoding or Escaping of Output in XWiki platform - CVE-2023-29524
Published: April 18, 2023 / Updated: May 5, 2026
Vulnerability identifier: #VU129958
CSH Severity: Medium
CVSSv4.0: 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-2023-29524
CWE-ID: CWE-116
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 with elevated privileges.
The vulnerability exists due to improper encoding or escaping of output in XWiki.SchedulerJobSheet when rendering a user profile containing a crafted XWiki.SchedulerJobClass object. A remote user can add a malicious job script to their profile and access the scheduler job sheet to execute arbitrary code with elevated privileges.
The issue can be triggered by a user without script or programming rights.
Remediation
Install security update from vendor's website.