CVE-2025-7955: 
WordPress vulnerability analysis and mitigation

The RingCentral Communications plugin for WordPress (versions 1.5 to 1.6.8) contains an Authentication Bypass vulnerability identified as CVE-2025-7955. The vulnerability was discovered on August 27, 2025, and publicly disclosed on August 28, 2025. The issue stems from improper validation within the ringcentraladminlogin2faverify() function, affecting the two-factor authentication mechanism of the plugin (NVD, Rapid7).

The vulnerability is caused by a missing server-side verification in the two-factor authentication process. The root cause is that the 2FA code on the server is not persistent (e.g., in $_SESSION or user meta) and instead two POST fields, fully under attacker control, are compared. The vulnerability has been assigned a CVSS v3.1 base score of 9.8 (CRITICAL) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating the highest severity level (NVD).

The vulnerability allows unauthenticated attackers to bypass authentication and log in as any user by simply supplying identical bogus codes. This presents a critical security risk as it effectively bypasses the two-factor authentication security measure, potentially leading to unauthorized access to administrative accounts (Rapid7).

The vulnerability has been patched in version 1.7.0 of the RingCentral Communications plugin. The fix includes proper server-side verification of 2FA codes and correction of password check issues in the login intercept process. Users are strongly advised to update to version 1.7.0 or later (WordPress Plugin).