CVE-2026-78333 — HIGH (8.8)

Vulnerability Description

The 12 Step Meeting List WordPress plugin before 3.19.17 does not sanitise and escape a value submitted by unauthenticated users before storing it in its activity log and outputting it back in an admin area page, leading to a Stored Cross-Site Scripting issue which could be used against high privilege users such as admin.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-79

References

https://wpscan.com/vulnerability/27de9242-d60e-42e8-a3a5-e355bfc00393/

FAQ

What is CVE-2026-78333?

CVE-2026-78333 is a vulnerability with a CVSS score of 8.8 (HIGH). The 12 Step Meeting List WordPress plugin before 3.19.17 does not sanitise and escape a value submitted by unauthenticated users before storing it in its activity log and outputting it back in an admi...

How severe is CVE-2026-78333?

CVE-2026-78333 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-78333?

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