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

Improper Authentication
CVE CVE-2025-7955
CVSS Critical (9.8)
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.

References

1 affected software package

Software Type Plugin
Software Slug rccp-free (view on wordpress.org)
Patched? Yes
Affected Version
  • 1.5 - 1.6.8
Patched Version
  • 1.7.0
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