CVE-2026-50766 Details
Description
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).
A stored cross-site scripting vulnerability has been identified in the OPAC item detail page of Koha Library Management System, affecting versions prior to 25.11. This vulnerability allows authenticated remote attackers with edit_items permission to inject arbitrary web scripts through the item public notes field.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 29, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://lgnas.gitbook.io/findings/cve-2026-50766 | CISA-ADP | ExploitThird Party Advisory |
| https://lgnas.gitbook.io/findings/cve-2026-50766 | [email protected] | ExploitThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| koha koha | <= 25.11.00 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 5, 2026 | CVE Modified | [email protected] |
| Jul 1, 2026 | Initial Analysis | [email protected] |
| Jun 29, 2026 | CVE Modified | [email protected] |
| Jun 29, 2026 | CVE Modified | CISA-ADP |
| Jun 26, 2026 | New CVE Received | [email protected] |