CVE-2022-45831
📋 TL;DR
Unauthenticated reflected cross-site scripting (XSS) vulnerability in the Image Hover Effects for Elementor WordPress plugin allows attackers to inject malicious scripts via crafted URLs. This affects WordPress sites using plugin versions 2.8 and earlier, potentially compromising visitor sessions and site integrity.
💻 Affected Systems
- Image Hover Effects for Elementor with Lightbox and Flipbox WordPress plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, perform actions as administrators, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially gaining unauthorized access to WordPress admin panels.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution.
🎯 Exploit Status
Reflected XSS typically requires tricking users into clicking malicious links, but exploitation is straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: > 2.8
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Image Hover Effects for Elementor' and update to latest version. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the plugin until patched.
wp plugin deactivate image-hover-effects-with-carousel
Implement WAF rules
allConfigure web application firewall to block XSS payloads targeting the vulnerable endpoint.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution sources.
- Use browser security features like HttpOnly and Secure flags for cookies to limit session theft.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Image Hover Effects for Elementor' version 2.8 or lower.
Check Version:
wp plugin get image-hover-effects-with-carousel --field=version
Verify Fix Applied:
Confirm plugin version is greater than 2.8 in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual GET requests with JavaScript payloads in query parameters to plugin endpoints.
- Multiple failed login attempts following suspicious URL visits.
Network Indicators:
- HTTP requests containing script tags or JavaScript in URL parameters to WordPress site.
SIEM Query:
source="web_server" AND (url="*image-hover-effects*" AND (url="*<script>*" OR url="*javascript:*"))
🔗 References
- https://patchstack.com/database/vulnerability/image-hover-effects-with-carousel/wordpress-image-hover-effects-caption-hover-with-carousel-plugin-2-8-cross-site-scripting-xss?_s_id=cve
- https://patchstack.com/database/vulnerability/image-hover-effects-with-carousel/wordpress-image-hover-effects-caption-hover-with-carousel-plugin-2-8-cross-site-scripting-xss?_s_id=cve