CVE-2025-7955

9.8 CRITICAL

📋 TL;DR

The RingCentral Communications plugin for WordPress versions 1.5 to 1.6.8 contains an authentication bypass vulnerability in the ringcentral_admin_login_2fa_verify() function. Unauthenticated attackers can log in as any WordPress user by providing identical bogus 2FA codes. This affects all WordPress sites using the vulnerable plugin versions.

💻 Affected Systems

Products:
  • RingCentral Communications plugin for WordPress
Versions: 1.5 to 1.6.8
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the RingCentral Communications plugin enabled.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete site takeover with administrative privileges, data theft, malware installation, and website defacement.

🟠

Likely Case

Unauthorized access to user accounts, privilege escalation, and potential data exfiltration.

🟢

If Mitigated

Limited impact if strong network segmentation, monitoring, and additional authentication layers are in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability requires minimal technical skill to exploit once the method is understood.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.6.9

Vendor Advisory: https://wordpress.org/plugins/rccp-free/#developers

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find RingCentral Communications plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.6.9+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patching is possible.

wp plugin deactivate rccp-free

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block authentication bypass attempts
  • Enable additional authentication factors and monitor for suspicious login activity

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > RingCentral Communications plugin version. If version is between 1.5 and 1.6.8 inclusive, the system is vulnerable.

Check Version:

wp plugin get rccp-free --field=version

Verify Fix Applied:

Confirm plugin version is 1.6.9 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Multiple failed login attempts followed by successful login with identical 2FA codes
  • Unusual user agent strings during authentication

Network Indicators:

  • HTTP POST requests to /wp-admin/admin-ajax.php with action=ringcentral_admin_login_2fa_verify

SIEM Query:

source="wordpress.log" AND ("ringcentral_admin_login_2fa_verify" OR "action=ringcentral_admin_login_2fa_verify")

🔗 References

📤 Share & Export