CVE-2024-49313
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the RudeStan VKontakte Wall Post WordPress plugin allows attackers to inject malicious scripts that execute when users view compromised posts. This affects WordPress sites using the plugin version 2.0 and earlier. Attackers can hijack user sessions, deface websites, or steal credentials.
💻 Affected Systems
- RudeStan VKontakte Wall Post 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 gain administrative access to WordPress sites, install backdoors, steal sensitive data, or redirect visitors to malicious sites.
Likely Case
Attackers deface websites with malicious content, hijack user sessions, or steal authentication cookies.
If Mitigated
Limited impact with proper CSRF tokens and Content Security Policy (CSP) headers blocking unauthorized script execution.
🎯 Exploit Status
CSRF vulnerabilities are commonly exploited with simple crafted requests.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'VKontakte Wall Post' and update to version 2.1 or later. 4. If update not available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd CSRF tokens to plugin forms and validate them server-side.
Requires code modification: Add nonce fields to forms and verify with wp_verify_nonce() in PHP.
Enable Content Security Policy
allConfigure CSP headers to block inline scripts and unauthorized sources.
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or use WordPress security plugins to configure CSP.
🧯 If You Can't Patch
- Deactivate and remove the VKontakte Wall Post plugin immediately.
- Implement web application firewall (WAF) rules to block CSRF and XSS payloads targeting the plugin.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'VKontakte Wall Post' version 2.0 or earlier.Check Version:
wp plugin list --name='vkontakte-wall-post' --field=version (if WP-CLI installed)Verify Fix Applied:
Confirm plugin version is 2.1 or later in WordPress admin, or verify plugin is deactivated/removed.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php or plugin-specific endpoints.
- Log entries showing script injection in post content or comments.
Network Indicators:
- HTTP requests with malicious script payloads in parameters like 'content' or 'message'.
- Traffic spikes to plugin-related URLs from suspicious IPs.
SIEM Query:
source="wordpress.log" AND ("vkontakte-wall-post" OR "admin-ajax.php") AND ("script" OR "alert" OR "onerror")