CVE-2026-11875 WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Support Ticket Access via Session Cookie Forgery
Unauthenticated attackers can forge guest-session cookies to impersonate users and access, reply to, or close support tickets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11875?
CVE-2026-11875 is a medium-severity authentication bypass vulnerability in Unknown WP Support Plus Responsive Ticket System, published on 9 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The WP Support Plus Responsive Ticket System WordPress plugin through 9.1.2 does not sign or verify its guest-session cookie, allowing unauthenticated attackers to forge it and impersonate any ticket owner (identified by email address) to read, reply to, and close that person's support tickets.
Which versions are affected by CVE-2026-11875?
How do I fix CVE-2026-11875?
No fix has been published for CVE-2026-11875 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-11875 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11875 exists.
Sources
Also known as GHSA-rwf6-mm98-7hfq.