B Blocks <= 2.0.6 - Missing Authorization to Unauthenticated Privilege Escalation via rgfr_registration Function

Missing Authorization
CVE CVE-2025-8059
CVSS Critical (9.8)
Publicly Published August 11, 2025
Last Updated August 12, 2025
Researcher Peter Thaleikis
Description

The B Blocks plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization and improper input validation within the rgfr_registration() function in all versions up to, and including, 2.0.6. This makes it possible for unauthenticated attackers to create a new account and assign it the administrator role.

References

1 affected software package

Software Type Plugin
Software Slug b-blocks (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.0.6
Patched Version
  • 2.0.7
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