RingCentral Communications 1.5 - 1.6.8 - Missing Server‑Side Verification to Authentication Bypass via ringcentral_admin_login_2fa_verify Function
Affected versions: 1.5-1.6.8
Vulnerability type: CWE-287 Improper Authentication
Affected software, patched versions and attribution
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.
RingCentral Communications Plugin – FREE
Affected versions: 1.5-1.6.8
Patched versions: 1.7.0
Researcher credit: kr0d
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- Published
- August 27, 2025
- CVSS
- 9.8