Cross-site scripting in Sakai - CVE-2026-33402
Published: April 28, 2026
Vulnerability identifier: #VU128321
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-33402
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary script code in a victim's browser.
The vulnerability exists due to cross-site scripting in site-manage group titles and descriptions when rendering stored group content. A remote attacker can inject a crafted script into a group title or description to execute arbitrary script code in a victim's browser.
Affected software
Sakai
How to mitigate CVE-2026-33402
Install security update from vendor's website.
Sakai - update to 23.5