CVE-2025-30577

7.1 HIGH

📋 TL;DR

A Cross-Site Request Forgery (CSRF) vulnerability in the Browser Address Bar Color WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. This affects WordPress sites using the plugin versions up to 3.3. Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts.

💻 Affected Systems

Products:
  • Browser Address Bar Color WordPress Plugin
Versions: n/a through 3.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled and an authenticated administrator to be tricked into performing an action.

⚠️ 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 inject malicious JavaScript that steals administrator credentials, defaces websites, redirects visitors to malicious sites, or installs backdoors for persistent access.

🟠

Likely Case

Attackers create fake admin pages or emails that trick logged-in administrators into clicking links that modify plugin settings to inject malicious scripts into the site.

🟢

If Mitigated

With proper CSRF tokens and input validation, the vulnerability would be prevented as unauthorized requests would be rejected.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires social engineering to trick an authenticated administrator, but the technical execution is straightforward once the victim interacts with the malicious payload.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 3.4 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/browser-address-bar-color/vulnerability/wordpress-browser-address-bar-color-plugin-3-3-cross-site-request-forgery-csrf-to-stored-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Browser Address Bar Color' and click 'Update Now' if available. 4. If no update appears, manually download version 3.4+ from WordPress.org and replace the plugin files via FTP or file manager.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate the Browser Address Bar Color plugin until patched.

wp plugin deactivate browser-address-bar-color

Implement CSRF Protection

all

Add custom CSRF tokens to plugin forms if you have development capabilities.

🧯 If You Can't Patch

  • Restrict administrator access to trusted networks only to reduce exposure to CSRF attacks.
  • Implement web application firewall (WAF) rules to block suspicious POST requests to the plugin's admin endpoints.

🔍 How to Verify

Check if Vulnerable:

Check the plugin version in WordPress admin under Plugins > Installed Plugins. If version is 3.3 or lower, you are vulnerable.

Check Version:

wp plugin get browser-address-bar-color --field=version

Verify Fix Applied:

After updating, verify the plugin version shows 3.4 or higher in the WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-admin/admin.php?page=browser-address-bar-color from unexpected referrers
  • Administrator accounts making unexpected plugin setting changes

Network Indicators:

  • HTTP requests with missing or suspicious Referer headers targeting plugin admin endpoints

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-admin/admin.php" AND query_string="page=browser-address-bar-color") AND http_method="POST" AND referer NOT CONTAINS "your-domain.com"

🔗 References

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