Improper Encoding or Escaping of Output in XWiki platform - CVE-2023-29525
Published: April 18, 2023 / Updated: May 5, 2026
Vulnerability identifier: #VU129957
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-2023-29525
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 escalate privileges.
The vulnerability exists due to improper encoding or escaping of output in XWiki.Notifications.Code.LegacyNotificationAdministration when handling the since parameter. A remote user can send a specially crafted request to escalate privileges.
The issue allows privilege escalation from view right to programming rights through XWiki syntax injection.
Remediation
Install security update from vendor's website.