CVE-2025-30826

6.5 MEDIUM

📋 TL;DR

This DOM-based cross-site scripting vulnerability in the IP Locator WordPress plugin allows attackers to inject malicious scripts that execute in users' browsers when they visit compromised pages. It affects all WordPress sites running IP Locator versions up to 4.1.0. Attackers could steal session cookies, redirect users, or perform actions on their behalf.

💻 Affected Systems

Products:
  • WordPress IP Locator plugin by Pierre Lannoy
Versions: n/a through 4.1.0
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

Complete site takeover through session hijacking, credential theft, defacement, or malware distribution to visitors.

🟠

Likely Case

Session hijacking of admin users leading to privilege escalation and plugin/theme manipulation.

🟢

If Mitigated

Limited to low-privilege user session theft if proper CSP headers and input validation are in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

XSS vulnerabilities are commonly weaponized in automated attacks. The public Patchstack advisory includes technical details that facilitate exploitation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.1.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/ip-locator/vulnerability/wordpress-ip-locator-plugin-4-1-0-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 IP Locator and click 'Update Now'. 4. Verify version is 4.1.1 or higher.

🔧 Temporary Workarounds

Disable IP Locator plugin

all

Temporarily deactivate the vulnerable plugin until patching is possible.

wp plugin deactivate ip-locator

Implement Content Security Policy

all

Add CSP headers to mitigate XSS impact by restricting script execution sources.

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or use WordPress security plugin to configure CSP

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block XSS payloads in requests.
  • Restrict plugin access to trusted IP addresses only using .htaccess or server configuration.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > IP Locator version. If version is 4.1.0 or lower, you are vulnerable.

Check Version:

wp plugin get ip-locator --field=version

Verify Fix Applied:

After updating, verify IP Locator version shows 4.1.1 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST/GET requests containing script tags or JavaScript payloads to IP Locator endpoints
  • Multiple failed XSS attempts in web server logs

Network Indicators:

  • Suspicious outbound connections from WordPress server after XSS payload delivery
  • Unexpected redirects from IP Locator pages

SIEM Query:

source="web_logs" AND (uri_path="*ip-locator*" AND (message="*<script>*" OR message="*javascript:*" OR message="*onload=*"))

🔗 References

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