What is CVE-2026-36214?

CVE-2026-36214 is a medium-severity vulnerability in Osticket, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-14.

How severe is CVE-2026-36214?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2026-36214 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Osticket

CVE-2026-36214

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (25.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Osticket — versions 1.10.0, 1.18.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-36214?: CVE-2026-36214 is a medium-severity vulnerability in Osticket, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-14.
How severe is CVE-2026-36214?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2026-36214 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.