CVE-2025-31746

6.4 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the Think201 Clients WordPress plugin that allows attackers to bypass access controls. It affects all versions up to 1.1.4, potentially enabling unauthorized access to client data or administrative functions. WordPress sites using this plugin are vulnerable.

💻 Affected Systems

Products:
  • Think201 Clients WordPress Plugin
Versions: n/a through 1.1.4
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Think201 Clients plugin installed.

⚠️ 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

Attackers gain administrative privileges, modify client data, or compromise the entire WordPress installation.

🟠

Likely Case

Unauthorized users access sensitive client information or perform actions reserved for authenticated users.

🟢

If Mitigated

Proper access controls prevent exploitation, limiting impact to attempted unauthorized access attempts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.1.5 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/clients/vulnerability/wordpress-clients-plugin-1-1-4-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Think201 Clients' plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.1.5+ from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate clients

Restrict Access

all

Implement web application firewall rules to block unauthorized access attempts.

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate the vulnerable WordPress instance.
  • Deploy additional authentication layers and monitor for unauthorized access attempts.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'Think201 Clients' version 1.1.4 or earlier.

Check Version:

wp plugin get clients --field=version

Verify Fix Applied:

Confirm plugin version is 1.1.5 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to client-related endpoints
  • Unusual user privilege escalation

Network Indicators:

  • HTTP requests to /wp-content/plugins/clients/ endpoints from unauthorized sources

SIEM Query:

source="wordpress" AND (uri_path="/wp-content/plugins/clients/" OR plugin="clients") AND status_code=200 AND user_role!="administrator"

🔗 References

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