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

9.8
Missing Authorization
CVE CVE-2025-8059
CVSS 9.8 (Critical)
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

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Vulnerability Details for bBlocks – Essential Gutenberg Blocks & Patterns Collection

Software Type Plugin
Software Slug b-blocks (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.0.7, or a newer patched version
Affected Version
  • <= 2.0.6
Patched Version
  • 2.0.7

Recent vulnerabilities in bBlocks – Essential Gutenberg Blocks & Patterns Collection

# Title CVE ID CVSS Researchers Date
1 Freemius <= 2.10.1 - Reflected DOM-Based Cross-Site Scripting via url Parameter CVE-2024-13362 6.1 Asaf Mozes April 30, 2026
2 bBlocks – Essential Gutenberg Blocks & Patterns Collection < 2.0.30 - Missing Authorization CVE-2026-32489 5.3 w41bu1 April 23, 2026
3 bBlocks – Essential Gutenberg Blocks & Patterns Collection <= 2.0.31 - Authenticated (Contributor+) Privilege Escalation CVE-2026-39579 8.8 Abu Hurayra (HurayraIIT) April 16, 2026
4 B Blocks <= 2.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-54708 6.4 Abu Hurayra (HurayraIIT) August 14, 2025
5 B Blocks - The ultimate block collection <= 2.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-32173 6.4 Logan Cote April 4, 2025

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