CVE-2026-26378

Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via file upload function in Invoice features

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://g03m0n.github.io	Third Party Advisory
https://g03m0n.github.io/posts/cve-2026-26378/	Exploit Third Party Advisory
https://github.com/Koha-Community/Koha	Product
https://g03m0n.github.io/posts/cve-2026-26378/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-03 19:16

Updated : 2026-07-22 20:10

NVD link : CVE-2026-26378

Mitre link : CVE-2026-26378

CVE.ORG link : CVE-2026-26378

JSON object : View

Products Affected

koha

koha

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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