CVE-2024-30547
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Header Image Slider WordPress plugin. When users visit compromised pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Header Image Slider 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 users to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
XSS vulnerabilities are commonly exploited with readily available tools and techniques. The public disclosure includes technical details that facilitate exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Header Image Slider'. 4. Click 'Update Now' if available. 5. If no update appears, deactivate and delete the plugin, then install version 0.4+ from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the vulnerable plugin until patched.
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting the plugin.
🧯 If You Can't Patch
- Remove the Header Image Slider plugin completely and use alternative slider solutions
- Implement Content Security Policy (CSP) headers to restrict script execution sources
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Header Image Slider version 0.3 or earlier.Check Version:
wp plugin list --name=header-image-slider --field=versionVerify Fix Applied:
Confirm Header Image Slider is updated to version 0.4+ in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests containing script tags or JavaScript to plugin endpoints
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious parameters containing <script> tags or JavaScript events
SIEM Query:
source="web_server_logs" AND (uri_path="/wp-content/plugins/header-image-slider/" OR user_agent CONTAINS "XSS") AND (http_method="POST" OR http_method="GET")