CVE-2025-5392: GB Forms DB <= 1.0.2 - Unauthenticated Remote Code Execution

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-11 · updated 2026-06-17
Weakness: CWE-94

Description

The GB Forms DB plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.0.2 via the gbfdb_talk_to_front() function. This is due to the function accepting user input and then passing that through call_user_func(). This makes it possible for unauthenticated attackers to execute code on the server which can be leverage to inject backdoors or create new administrative user accounts to name a few things.

Affected products

gb-plugins GB Forms DB: through 1.0.2

References

https://plugins.trac.wordpress.org/browser/gb-forms-db/trunk/core/functions.php#L334
https://plugins.trac.wordpress.org/browser/gb-forms-db/trunk/core/functions.php#L367
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3323703%40gb-forms-db&new=3323703%40gb-forms-db&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/fe8723a7-bbb1-41a0-b222-3cf4eb44cd64?source=cve

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