CVE-2026-26378

PoC —

CVSS 3.1

5.4 medium

EPSS

<1%p23

Published

Jun 3, 2026 (Jun 3, 2026)

Modified

Jul 22, 2026

Description

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

Vendors: koha
Products: koha
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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