CVE-2024-56240
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Pronamic Google Maps WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the injected content, the scripts execute in their browsers, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using Pronamic Google Maps versions up to 2.3.2 are affected.
💻 Affected Systems
- Pronamic Google Maps WordPress Plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- 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 websites, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript that steals user session data or performs unauthorized actions when users view affected pages.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. While no public PoC is confirmed, the vulnerability type suggests straightforward exploitation once the injection vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Pronamic Google Maps' and click 'Update Now'. 4. Alternatively, download version 2.3.3+ from WordPress.org and manually replace the plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate pronamic-google-maps
Content Security Policy
allImplement CSP headers to restrict script execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Remove the Pronamic Google Maps plugin entirely from your WordPress installation
- Implement web application firewall (WAF) rules to block XSS payloads targeting the plugin
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Pronamic Google Maps version 2.3.2 or earlierCheck Version:
wp plugin get pronamic-google-maps --field=versionVerify Fix Applied:
Verify plugin version is 2.3.3 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- Suspicious JavaScript in database entries related to maps
Network Indicators:
- Malicious script tags in HTTP responses from map-related endpoints
SIEM Query:
source="wordpress.log" AND ("pronamic-google-maps" OR "google-maps") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")