CVE-2026-24569

4.3 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the WordPress Media Library File Size plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers can perform unauthorized actions that should require proper authentication. This affects all WordPress sites running Media Library File Size plugin versions up to and including 1.6.7.

💻 Affected Systems

Products:
  • WordPress Media Library File Size plugin
Versions: All versions up to and including 1.6.7
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the vulnerable plugin activated. No specific OS requirements.

⚠️ 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, delete, or manipulate media library files, potentially leading to data loss, defacement, or unauthorized content changes.

🟠

Likely Case

Unauthorized users accessing or modifying media library metadata and file size information without proper permissions.

🟢

If Mitigated

With proper access controls and authentication, only authorized users can perform media library operations.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some level of access but bypasses authorization checks. The vulnerability is in access control logic.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 1.6.7

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/media-library-file-size/vulnerability/wordpress-media-library-file-size-plugin-1-6-7-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 Media Library File Size plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin. 6. Install latest version from WordPress repository.

🔧 Temporary Workarounds

Deactivate Plugin

all

Temporarily disable the vulnerable plugin until patched version is available

wp plugin deactivate media-library-file-size

Restrict Access

all

Implement additional access controls at web server or application level

🧯 If You Can't Patch

  • Deactivate the Media Library File Size plugin immediately
  • Implement strict access controls and monitor for unauthorized media library activity

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Media Library File Size → check version number

Check Version:

wp plugin get media-library-file-size --field=version

Verify Fix Applied:

Verify plugin version is greater than 1.6.7 and test authorization controls

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to media library endpoints
  • Unexpected file modifications in wp-content/uploads

Network Indicators:

  • Unusual requests to /wp-admin/admin-ajax.php or media library endpoints

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "media-library") AND response_code=200 AND user_agent NOT IN allowed_user_agents

🔗 References

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