RingCentral Communications 1.5 - 1.6.8 - Missing Server‑Side Verification to Authentication Bypass via ringcentral_admin_login_2fa_verify Function

9.8
Improper Authentication
CVE CVE-2025-7955
CVSS 9.8 (Critical)
Publicly Published August 27, 2025
Last Updated August 28, 2025
Researcher kr0d

Description

The RingCentral Communications plugin for WordPress is vulnerable to Authentication Bypass due to improper validation within the ringcentral_admin_login_2fa_verify() function in versions 1.5 to 1.6.8. This makes it possible for unauthenticated attackers to log in as any user simply by supplying identical bogus codes.

Learn more about Authentication Bypass vulnerabilities and how to prevent them.

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Vulnerability Details for RingCentral Communications Plugin – FREE

Software Type Plugin
Software Slug rccp-free (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.7.0, or a newer patched version
Affected Version
  • 1.5 - 1.6.8
Patched Version
  • 1.7.0

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