Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in XWiki platform - CVE-2023-26480
Published: March 1, 2023 / Updated: May 5, 2026
Vulnerability identifier: #VU129991
CSH Severity: Medium
CVSS v4: 8.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-26480
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 the HTML displayer in the Live Data macro when rendering user-supplied HTML content. A remote user can inject a specially crafted Live Data entry to execute arbitrary script in a victim's browser.
User interaction is required to view the crafted content.
Affected software
XWiki platform
How to mitigate CVE-2023-26480
Install security update from vendor's website.
XWiki platform - addressed in versions 13.10.10, 14.4.7, 14.9