CVE-2026-9278
Form Builder CP < 1.2.47 - Editor+ Stored XSS via form_structure
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).
INFO
Published Date :
June 15, 2026, 8:16 a.m.
Last Modified :
June 15, 2026, 8:16 a.m.
Remotely Exploit :
No
Source :
[email protected]
Solution
- Update Form Builder CP WordPress plugin to 1.2.47.
- Verify the plugin update was successful.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-9278.
| URL | Resource |
|---|---|
| https://wpscan.com/vulnerability/b306b6f1-ca34-495f-a823-6e8f66e343d7/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-9278 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-9278
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-9278 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-9278 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jun. 15, 2026
Action Type Old Value New Value Added 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). Added Reference https://wpscan.com/vulnerability/b306b6f1-ca34-495f-a823-6e8f66e343d7/