CVE-2026-36214

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-14 · updated 2026-08-04
Weakness: CWE-79

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.

Affected products

osticket/osticket: from 1.10.0 before 1.17.8; from 1.18.0 before 1.18.4 — fixed in 1.17.8, 1.18.4

How to fix

Upgrade to a fixed version: osticket/osticket 1.17.8, 1.18.4. Check the vendor advisory for mitigations.

References

https://enhancesoft.com/
https://github.com/WesWrench/CVE-2026-36214
https://github.com/osTicket/osTicket/commit/5afdf5450ff5c7d218447014b7abbb5f1e6dd42f
https://github.com/osTicket/osTicket/releases/tag/v1.17.8
https://github.com/osTicket/osTicket/releases/tag/v1.18.4
https://osticket.com/
https://github.com/WesWrench/CVE-2026-36214

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