A security vulnerability has been detected in osTicket up to 1.18.3. Impacted is an unknown function of the file include/class.dispatcher.php of the component Dispatcher. The manipulation of the argument _method leads to cross-site request forgery. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through a pull request but has not reacted yet.
https://vuldb.com/vuln/362346/cti
https://vuldb.com/submit/802755
https://github.com/osTicket/osTicket/pull/6945
https://github.com/osTicket/osTicket/
https://github.com/az10b/security-advisories/blob/main/csrf_bypass_osTicket.md
Published: 2026-05-09
Updated: 2026-05-09
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 4.3
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00017