CVE-2026-48220: Open Ises Tickets

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in ics205.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the frm_add_str POST parameter directly into an HTML form hidden input value attribute. Attackers can craft a malicious request containing a JavaScript payload that executes in the victim's browser when the response is rendered.

Affected products

• Open Ises Tickets: before 3.44.2 (fixed in 3.44.2)

Published 2026-05-21. Last modified 2026-07-23.