CVE-2025-9496

6.4 MEDIUM

📋 TL;DR

This vulnerability allows authenticated WordPress users with contributor-level access or higher to inject malicious scripts into website pages via the Enable Media Replace plugin's file_modified shortcode. When other users visit pages containing these scripts, the code executes in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • Enable Media Replace WordPress Plugin
Versions: All versions up to and including 4.1.6
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with plugin enabled and at least one user with contributor-level permissions.

⚠️ 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 steal administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.

🟠

Likely Case

Attackers with contributor access inject malicious JavaScript to steal session cookies or redirect users to phishing pages.

🟢

If Mitigated

With proper user access controls and content security policies, impact is limited to isolated script execution without data compromise.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Requires authenticated access and ability to create/edit posts with shortcodes.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.1.7 or later

Vendor Advisory: https://wordpress.org/plugins/enable-media-replace/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Enable Media Replace. 4. Click 'Update Now' if available. 5. Alternatively, download version 4.1.7+ from WordPress.org and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate the Enable Media Replace plugin until patched.

wp plugin deactivate enable-media-replace

Restrict User Permissions

all

Remove contributor-level access from untrusted users.

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Regularly audit user accounts and remove unnecessary contributor-level permissions

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Enable Media Replace version number.

Check Version:

wp plugin get enable-media-replace --field=version

Verify Fix Applied:

Confirm plugin version is 4.1.7 or higher in WordPress admin.

📡 Detection & Monitoring

Log Indicators:

  • Unusual post/page edits by contributor-level users
  • Suspicious shortcode usage in content

Network Indicators:

  • Unexpected JavaScript loading from WordPress pages

SIEM Query:

Search for 'file_modified' shortcode in post content modifications

🔗 References

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