CVE-2025-39599

4.7 MEDIUM

📋 TL;DR

This CVE describes an open redirect vulnerability in Webilia Inc.'s Listdom WordPress plugin that allows attackers to redirect users to malicious websites. The vulnerability affects all versions up to and including 4.0.0, enabling phishing attacks by tricking users into visiting untrusted sites.

💻 Affected Systems

Products:
  • Webilia Inc. Listdom WordPress Plugin
Versions: n/a through 4.0.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress sites with the Listdom plugin installed. The vulnerability exists in the plugin's URL handling functionality.

⚠️ 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

Users are redirected to sophisticated phishing sites that steal credentials, financial information, or deliver malware, leading to account compromise, data theft, or ransomware infection.

🟠

Likely Case

Attackers create convincing phishing pages that harvest user credentials or personal information, potentially leading to account takeover or identity theft.

🟢

If Mitigated

With proper user awareness training and browser security controls, users might recognize suspicious redirects or be blocked by security software, reducing successful phishing rates.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Open redirect vulnerabilities are commonly exploited in phishing campaigns. The attack requires user interaction (clicking a malicious link).

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 4.0.0

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/listdom/vulnerability/wordpress-listdom-4-0-0-open-redirection-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Listdom plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove the plugin.

🔧 Temporary Workarounds

Disable Listdom Plugin

all

Temporarily disable the vulnerable plugin until patched version is available

wp plugin deactivate listdom

Web Application Firewall Rule

all

Block redirects to external domains from Listdom endpoints

🧯 If You Can't Patch

  • Implement strict Content Security Policy (CSP) headers to restrict redirect destinations
  • Deploy email/web filtering to block known phishing domains and suspicious redirect patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Listdom version. If version is 4.0.0 or earlier, you are vulnerable.

Check Version:

wp plugin get listdom --field=version

Verify Fix Applied:

After updating, verify Listdom plugin version is higher than 4.0.0 in WordPress admin plugins page.

📡 Detection & Monitoring

Log Indicators:

  • Unusual redirect patterns in web server logs
  • Multiple requests to Listdom endpoints with external URL parameters

Network Indicators:

  • HTTP 302/301 redirects to suspicious external domains originating from Listdom plugin endpoints

SIEM Query:

source="web_logs" AND (url="*listdom*" AND url="*redirect*" AND url="*http*" AND NOT url="*yourdomain.com*")

🔗 References

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