CVE-2024-2771
Published: 18 May 2024
Summary
CVE-2024-2771 is a critical-severity Missing Authorization (CWE-862) vulnerability in Fluentforms Contact Form. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 4.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder for WordPress is affected by CVE-2024-2771, a missing capability check on the /wp-json/fluentform/v1/managers REST API endpoint. The flaw exists in all versions through 5.1.16 and is tracked under CWE-862. Unauthenticated network callers can therefore add or remove Fluent Forms manager accounts without authentication.
An attacker can exploit the endpoint to assign themselves or other users full management rights over the plugin, granting access to every setting and feature, or to delete existing manager accounts. The vulnerability carries a CVSS 3.1 score of 9.8, reflecting that no user interaction or privileges are required and that confidentiality, integrity, and availability impacts are all high.
Public references point to a fix committed in changeset 3088078 that updates RoleManagerPolicy.php to enforce proper authorization on the endpoint. Site administrators should apply the patched version of the plugin as soon as it is available.
EPSS for the CVE rose from a low baseline to a peak of 0.2943 on 2025-12-11 before receding to the current value of 0.2184, indicating that exploitation interest increased after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-27715
Vulnerability details
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to privilege escalation due to a missing capability check on the /wp-json/fluentform/v1/managers REST API endpoint in all versions…
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up to, and including, 5.1.16. This makes it possible for unauthenticated attackers to grant users with Fluent Form management permissions which gives them access to all of the plugin's settings and features. This also makes it possible for unauthenticated attackers to delete manager accounts.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring an access control policy ensures authorization checks are defined and applied for critical functions.
Reviews of access controls detect missing authorization checks on critical functions or resources.
Documenting permitted unauthenticated actions prevents missing authorization by making all exceptions explicit and subject to organizational review.
Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.
Mandating authorization prior to allowing remote connections addresses missing authorization for remote access.
Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.
The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.
Requiring approvals for account creation and specifying authorizations ensures authorization is not missing for system access.