CVE-2026-36214: Osticket

Medium severity, CVSS 6.4. EPSS: 0.4% chance of exploitation in the next 30 days.

osTicket versions from 1.10 up to 1.17.7 and from 1.18.0 up to 1.18.3 are vulnerable to a stored XSS due to a vulnerable Bootstrap Tooltip component and insufficient HTML sanitization, allowing remote attackers to execute arbitrary JavaScript in Agent or Admin sessions.

Affected products

• Osticket Osticket: from 1.10.0, before 1.17.8 (fixed in 1.17.8); from 1.18.0, before 1.18.4 (fixed in 1.18.4)

Published 2026-07-14. Last modified 2026-08-04.