Tickera permits unauthenticated PHP object injection
Tickera through 3.6.0.2 accepts attacker-controlled serialized data from an unauthenticated request, allowing PHP object injection. Where a compatible gadget chain is available, exploitation can lead to arbitrary code execution and full site compromise.
- Component
- Tickera
- Plugin slug
tickera-event-ticketing-system- Affected
- n/a through 3.6.0.2
- Safe version
3.6.0.3- Published
- Aug 31, 2026
This CVE was published Aug 31, 2026 and is one of 12 known issues for this plugin.
Update, patch or deactivate.
Update Tickera to 3.6.0.3 or later and investigate unexpected files, processes, accounts and administrative activity if exploitation is suspected.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Unauthenticated PHP Object Injection in Tickera <= 3.6.0.2 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H