CVE-2026-50767

Stored XSS in Koha Item Type Administration Page

Published Jun 26, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
A stored cross-site scripting (XSS) vulnerability in the item type administration page of Koha Library Management System 0 through 25.11 versions allow an authenticated remote attacker with administrator privileges to inject arbitrary web scripts via the item type check-in message field (checkinmsg).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Koha
Koha library Management System
Vendors & Products Koha
Koha library Management System
Type Values Removed Values Added
Title Stored XSS in Koha Item Type Administration Page
Type Values Removed Values Added
Description A stored cross-site scripting (XSS) vulnerability in the item 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 item type check-in message field (checkinmsg) A stored cross-site scripting (XSS) vulnerability in the item type administration page of Koha Library Management System 0 through 25.11 versions allow an authenticated remote attacker with administrator privileges to inject arbitrary web scripts via the item type check-in message field (checkinmsg).
Type Values Removed Values Added
Title Stored Cross‑Site Scripting via Item Type Check‑In Message in Koha Library Management System
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Stored Cross‑Site Scripting via Item Type Check‑In Message in Koha Library Management System
Weaknesses CWE-79
Type Values Removed Values Added
Description A stored cross-site scripting (XSS) vulnerability in the item 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 item type check-in message field (checkinmsg)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 5, 2026, 1:36 AM
Reserved
Jun 7, 2026, 12:00 AM
Status
Modified
Published
Jun 26, 2026, 10:16 PM
Modified
Jul 5, 2026, 2:17 AM