CVE-2026-11875 — MEDIUM (5.3)

Vulnerability 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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

References

https://wpscan.com/vulnerability/1c69692e-5d0c-42cf-9b3d-b722f2ba4231/

FAQ

What is CVE-2026-11875?

CVE-2026-11875 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...

How severe is CVE-2026-11875?

CVE-2026-11875 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-11875?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.