Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in XWiki platform - CVE-2023-29205
Published: April 12, 2023 / Updated: May 5, 2026
Vulnerability identifier: #VU129993
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-2023-29205
CWE-ID: CWE-80
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 script in a victim's browser.
The vulnerability exists due to improper neutralization of script-related html tags in the HTML macro when rendering user-supplied HTML content. A remote user can create content containing malicious script-related HTML tags to execute arbitrary script in a victim's browser.
In a standard wiki, any user is able to use the HTML macro directly in their own user profile page.
Remediation
Install security update from vendor's website.