CVE-2026-12978 — HIGH (7.1)

Vulnerability Description

The FunnelKit WordPress plugin before 3.15.0.6 does not escape a user-supplied parameter before reflecting it into the HTML response of one of its page-builder AJAX actions, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting against logged-in users who open a crafted page. The affected action is only registered when the Divi /builder is active.

CVSS Score

7.1

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Related Weaknesses (CWE)

CWE-79

References

https://wpscan.com/vulnerability/1b22645b-28cb-44f3-a5b9-c81a40175e59/

FAQ

What is CVE-2026-12978?

CVE-2026-12978 is a vulnerability with a CVSS score of 7.1 (HIGH). The FunnelKit WordPress plugin before 3.15.0.6 does not escape a user-supplied parameter before reflecting it into the HTML response of one of its page-builder AJAX actions, allowing unauthenticated ...

How severe is CVE-2026-12978?

CVE-2026-12978 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-12978?

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