CVE-2026-50766

5.4 mediumEPSS 0.3%

Medium (5.4) in koha koha. EPSS 0.3% chance of exploitation in the next 30 days.

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).

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-06-26
Modified: 2026-07-05
Record from: the NVD, synced 2026-10-19

Affected

koha:koha

References

https://lgnas.gitbook.io/findings/cve-2026-50766
https://lgnas.gitbook.io/findings/cve-2026-50766

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