CVE-2026-36214 Cross-site scripting in osTicket
Remote attackers can execute arbitrary JavaScript in Agent or Admin sessions via stored XSS in osTicket, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-36214?
CVE-2026-36214 is a medium-severity cross-site scripting vulnerability in osTicket, published on 14 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-36214?
How do I fix CVE-2026-36214?
No fix has been published for CVE-2026-36214 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-36214 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36214 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-ffr2-xp93-qf4x.