Description
XWiki Platform is a generic wiki platform. Starting in version 2.3 and prior to versions 15.10.9, 16.3.0, any user with script rights can perform arbitrary remote code execution by adding instances of `XWiki.ConfigurableClass` to any page. This compromises the confidentiality, integrity and availability of the whole XWiki installation. This has been patched in XWiki 15.10.9 and 16.3.0. No known workarounds are available except upgrading.
Remediation
References
Related Vulnerabilities
Craft CMS Server-Side Request Forgery (SSRF) Vulnerability (CVE-2026-27129)
Moodle Improper Encoding or Escaping of Output Vulnerability (CVE-2021-40694)
WordPress Plugin Wunderbar Basic Cross-Site Scripting (1.1.3)
WordPress Plugin AdButler Unspecified Vulnerability (1.09)
WebLogic Missing Authentication for Critical Function Vulnerability (CVE-2025-61752)