CVE-2026-50766

EUVD-2026-39941
A stored cross-site scripting (XSS) vulnerability in the OPAC item detail page of Koha Library Management System 0 through 25.11 versions allow an authenticated remote attacker with edit_items permission to inject arbitrary web scripts via the item public notes field (items.itemnotes).
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 12.76%
Affected Products (NVD)
VendorProductVersion
kohakoha
𝑥
≤ 25.11.00
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://lgnas.gitbook.io/findings/cve-2026-50766
https://lgnas.gitbook.io/findings/cve-2026-50766