CVE-2025-57935

5.9 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the WordPress Bot Block plugin allows attackers to inject malicious scripts that execute when other users view affected pages. It affects all WordPress sites using the Bot Block - Stop Spam Referrals in Google Analytics plugin versions up to 2.6. The vulnerability enables attackers to steal session cookies, redirect users, or perform actions on their behalf.

💻 Affected Systems

Products:
  • Bot Block - Stop Spam Referrals in Google Analytics WordPress Plugin
Versions: n/a through 2.6
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, install backdoors, deface websites, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies, potentially compromising user accounts with lower privileges.

🟢

If Mitigated

With proper input validation and output encoding, the malicious scripts would be rendered harmless as text rather than executable code.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires finding the specific input vector and understanding WordPress plugin structure. No public exploit code is currently available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 2.6

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/bot-block-stop-spam-google-analytics-referrals/vulnerability/wordpress-bot-block-stop-spam-referrals-in-google-analytics-plugin-2-6-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 'Bot Block - Stop Spam Referrals in Google Analytics'. 4. Click 'Update Now' if available. 5. If no update appears, manually download latest version from WordPress repository. 6. Deactivate and delete old version. 7. Upload and activate new version.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the Bot Block plugin until patched version is available

Implement Content Security Policy

all

Add CSP headers to restrict script execution sources

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or add to WordPress functions.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");

🧯 If You Can't Patch

  • Deactivate the Bot Block plugin immediately
  • Implement web application firewall (WAF) rules to block XSS payloads

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins → Bot Block - Stop Spam Referrals in Google Analytics → Version number

Check Version:

wp plugin list --name='Bot Block - Stop Spam Referrals in Google Analytics' --field=version

Verify Fix Applied:

Verify plugin version is greater than 2.6 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to plugin endpoints
  • Suspicious JavaScript in plugin-related database entries
  • Multiple failed XSS attempts in web server logs

Network Indicators:

  • Malicious script tags in HTTP requests to plugin endpoints
  • Unexpected external script loads from your domain

SIEM Query:

source="web_server" AND (uri="*bot-block*" OR uri="*wp-content/plugins/bot-block*") AND (content="<script>" OR content="javascript:" OR content="onload=" OR content="onerror=")

🔗 References

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