CVE-2026-26377

MEDIUM EPSS 29.1%
Published Mar 5, 20263mo ago · Modified Mar 10, 20263mo ago
5.4 CVSS 3.1
Medium
Find Similar
Published Mar 5, 2026 3mo ago
Last Modified Mar 10, 2026 3mo ago

Description

Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via the News function.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
29.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
kohakoha* ≤25.11.00

References 3

  • g03m0n.github.io https://g03m0n.github.io/
    Third Party Advisory
  • g03m0n.github.io https://g03m0n.github.io/posts/cve-2026-26377/
    ExploitThird Party Advisory
  • github.com https://github.com/Koha-Community/Koha
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.