CVE-2026-50765
Received Received - Intake
XSS in Koha Library Management System Patron Restriction

Publication date: 2026-06-26

Last updated on: 2026-06-26

Assigner: MITRE

Description
Cross-Site Scripting (XSS) vulnerability in the patron restriction type administration page of Koha Library Management System through 25.11 allows an authenticated remote attacker with administrator privileges to inject arbitrary web scripts via the restriction type label (display_text field)
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Meta Information
Published
2026-06-26
Last Modified
2026-06-26
Generated
2026-06-27
AI Q&A
2026-06-27
EPSS Evaluated
N/A
NVD
CVE-2026-50765
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
koha koha_library_management_system *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a Cross-Site Scripting (XSS) issue found in the patron restriction type administration page of the Koha Library Management System up to version 25.11. It allows an authenticated remote attacker who has administrator privileges to inject arbitrary web scripts through the restriction type label (display_text field).

Impact Analysis

An attacker exploiting this vulnerability could execute arbitrary scripts in the context of the administrator's browser session. This could lead to unauthorized actions being performed, theft of sensitive information such as session tokens, or manipulation of the web interface.

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