CVE-2025-49913

5.3 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the CoSchedule WordPress plugin that allows attackers to bypass access controls. Attackers could potentially perform unauthorized actions that should be restricted to authenticated users. All WordPress sites running CoSchedule plugin versions up to and including 3.4.0 are affected.

💻 Affected Systems

Products:
  • CoSchedule by Todaymade WordPress Plugin
Versions: All versions up to and including 3.4.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the CoSchedule plugin installed and activated.

⚠️ 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 could modify plugin settings, access sensitive configuration data, or perform administrative actions without proper authentication, potentially leading to site compromise.

🟠

Likely Case

Unauthorized users could access or modify plugin functionality they shouldn't have access to, potentially disrupting scheduling operations or accessing limited sensitive data.

🟢

If Mitigated

With proper network segmentation and authentication controls, impact would be limited to the plugin's functionality only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires understanding of WordPress plugin structure and access control mechanisms.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 3.4.1 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/coschedule-by-todaymade/vulnerability/wordpress-coschedule-plugin-3-4-0-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 CoSchedule plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 3.4.1+ from WordPress repository.

🔧 Temporary Workarounds

Disable Plugin

WordPress

Temporarily disable the CoSchedule plugin until patched

wp plugin deactivate coschedule-by-todaymade

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can access the WordPress admin interface
  • Enable WordPress security plugins that monitor for unauthorized access attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for CoSchedule version

Check Version:

wp plugin get coschedule-by-todaymade --field=version

Verify Fix Applied:

Verify CoSchedule plugin version is 3.4.1 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to CoSchedule plugin endpoints
  • Unusual plugin configuration changes

Network Indicators:

  • HTTP requests to /wp-content/plugins/coschedule-by-todaymade/ from unauthorized sources

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "coschedule") AND response_code=200 AND user_agent NOT IN ["admin_user_agents"]

🔗 References

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