CVE-2026-9278

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).

PUBLISHED Reserved 2026-05-22 | Published 2026-06-15 | Updated 2026-06-15 | Assigner WPScan

Problem types

CWE-79 Cross-Site Scripting (XSS)

Product status

Credits

Luca Jungnickel finder

WPScan coordinator

References

wpscan.com/...rability/b306b6f1-ca34-495f-a823-6e8f66e343d7/ exploit vdb-entry technical-description

cve.org (CVE-2026-9278)

nvd.nist.gov (CVE-2026-9278)

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