CVE-2025-31081

7.1 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages generated by the Enable Media Replace WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • Enable Media Replace WordPress Plugin
Versions: n/a through 4.1.5
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with vulnerable plugin versions are affected regardless of configuration.

⚠️ 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 session cookies, take over WordPress sites, deface content, or install backdoors for persistent access.

🟠

Likely Case

Attackers craft phishing links that steal user session cookies when clicked, potentially compromising user accounts with limited privileges.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Reflected XSS vulnerabilities are commonly exploited via phishing campaigns or malicious links.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.1.6 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/enable-media-replace/vulnerability/wordpress-enable-media-replace-plugin-4-1-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

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 4.1.6+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate enable-media-replace

Web Application Firewall Rules

all

Configure WAF to block XSS payloads targeting the vulnerable endpoint.

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Use browser security extensions that block reflected XSS attacks

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for Enable Media Replace version 4.1.5 or earlier.

Check Version:

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

Verify Fix Applied:

Confirm plugin version is 4.1.6 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET/POST requests containing script tags or JavaScript payloads to plugin endpoints
  • Multiple failed login attempts following suspicious URL visits

Network Indicators:

  • HTTP requests with encoded script payloads in query parameters
  • Traffic patterns showing users accessing unusual URLs with long parameter strings

SIEM Query:

source="wordpress.log" AND ("enable-media-replace" OR "emr") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")

🔗 References

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