What’s Vulnerable › Vulnerabilities

CVE-2025-8059: B Blocks <= 2.0.6 - Missing Authorization to Unauthenticated Privilege Escalation via rgfr_registration Function

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-12 · updated 2026-06-17
• Weakness: CWE-862

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.

Affected products

• bplugins bBlocks – Essential Gutenberg Blocks & Patterns Collection: through 2.0.6

References

• https://plugins.trac.wordpress.org/browser/b-blocks/trunk/includes/blocks/RegisterForm.php#L77
• https://plugins.trac.wordpress.org/changeset/3340770/
• https://wordpress.org/plugins/b-blocks/#developers
• https://www.wordfence.com/threat-intel/vulnerabilities/id/0ee3b389-60c9-4f8e-9428-a71a6d9b20aa?source=cve

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