CVE-2026-50766
Koha Stored Cross-Site Scripting
Description
A stored cross-site scripting (XSS) vulnerability in the OPAC item detail page of Koha Library Management System through 25.11 allows an authenticated remote attacker with edit_items permission to inject arbitrary web scripts via the item public notes field (items.itemnotes).
INFO
Published Date :
June 26, 2026, midnight
Last Modified :
June 26, 2026, 9:37 p.m.
Remotely Exploit :
No
Source :
mitre
Affected Products
The following products are affected by CVE-2026-50766
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update Koha Library Management System to the latest version.
- Apply vendor patches for the OPAC item detail page.
- Sanitize user input for item public notes.
- Validate script injection in item notes.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-50766 vulnerability anywhere in the article.