CVE-2026-26377 - Vulnerability Analysis
MediumCVSS: 5.4Last Updated: March 6, 2026
Koha - Stored XSS
Published: March 5, 2026Updated: March 6, 2026PoC AvailableRemote Exploitable
Overview
Koha <= 25.11 contains a stored XSS vulnerability caused by improper sanitization in the News function, letting remote attackers execute arbitrary scripts, exploit requires no special privileges.
Severity & Score
Severity: Medium
CVSS Score: 5.4
Impact
Remote attackers can execute arbitrary scripts, potentially leading to session hijacking or user impersonation.
Mitigation
Update to the latest version beyond 25.11.
References
Related Resources
Details
- CVE ID
- CVE-2026-26377
- Severity
- Medium
- CVSS Score
- 5.4
- Type
- stored_xss
- Status
- confirmed
CWE
- CWE-79
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N