CVE-2026-36214

EUVD-2026-43754
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
6.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 25.32%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
osticketosticket
1.10.0 ≤
𝑥
< 1.17.8
CNA
osticketosticket
1.18.0 ≤
𝑥
< 1.18.4
CNA
Common Weakness Enumeration
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