CVE-2026-50766

mediumCVSS 5.4covered by 1 sourcefirst seen 2026-06-26

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).

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Exploitation outlook

Low exploitation risk0.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-50766: A stored cross-site scripting (XSS) vulnerability in the OPAC item detail page of Koha Library…nvd · 2026-06-26

External references

NVD record for CVE-2026-50766

CVE.org record

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