CVE-2026-9278 — MEDIUM (5.4)

Vulnerability Description

The Form Builder CP WordPress plugin before 1.2.47 does not properly sanitize a form configuration value before storing it and using it as part of a client-side script execution, allowing authenticated users with Editor-level access and above to perform Stored Cross-Site Scripting attacks against any visitor of a page rendering the affected form, even when the `unfiltered_html` capability is disallowed (e.g. in a multisite network).

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

References

https://wpscan.com/vulnerability/b306b6f1-ca34-495f-a823-6e8f66e343d7/

FAQ

What is CVE-2026-9278?

CVE-2026-9278 is a vulnerability with a CVSS score of 5.4 (MEDIUM). The Form Builder CP WordPress plugin before 1.2.47 does not properly sanitize a form configuration value before storing it and using it as part of a client-side script execution, allowing authenticate...

How severe is CVE-2026-9278?

CVE-2026-9278 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9278?

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