Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in XWiki platform - CVE-2023-29206
Published: April 12, 2023 / Updated: May 5, 2026
Vulnerability identifier: #VU129992
CSH Severity: Medium
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-29206
CWE-ID: CWE-80
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 JSX or SSX plugins when executing JavaScript xobject or StyleSheet xobject content from a XWiki document. A remote user can create a crafted object in a document to execute arbitrary script in a victim's browser.
User interaction is required, and exploitation occurs when a user with appropriate rights executes the crafted script.
Affected software
XWiki platform
How to mitigate CVE-2023-29206
Install security update from vendor's website.
XWiki platform - update to 14.9 rc-1