CVE-2024-11899
📋 TL;DR
The Slider Pro Lite WordPress plugin has a stored cross-site scripting (XSS) vulnerability in all versions up to 1.4.1. Authenticated attackers with contributor-level access or higher can inject malicious scripts via the plugin's shortcode attributes, which execute when users view affected pages. This affects any WordPress site using the vulnerable plugin version.
💻 Affected Systems
- Slider Pro Lite 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 credentials, redirect users to malicious sites, deface websites, or perform actions on behalf of authenticated users.
Likely Case
Attackers with contributor access inject malicious scripts to steal user session cookies or redirect visitors to phishing pages.
If Mitigated
With proper user role management and content review, impact is limited to potential defacement of specific pages.
🎯 Exploit Status
Exploitation requires authenticated access. Technical details and proof-of-concept are publicly available in vulnerability reports.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.2 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3158280%40slider-pro-lite%2Ftrunk&old=3158279%40slider-pro-lite%2Ftrunk
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Slider Pro Lite and click 'Update Now'. 4. Verify plugin version is 1.4.2 or higher.
🔧 Temporary Workarounds
Remove Contributor Access
allTemporarily restrict contributor-level user roles from creating or editing posts until patched.
Disable Plugin
linuxDeactivate Slider Pro Lite plugin until update is available.
wp plugin deactivate slider-pro-lite
🧯 If You Can't Patch
- Implement strict user role management and review all content from contributors
- Deploy web application firewall (WAF) with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins. If Slider Pro Lite version is 1.4.1 or lower, you are vulnerable.
Check Version:
wp plugin get slider-pro-lite --field=version
Verify Fix Applied:
After updating, confirm plugin version is 1.4.2 or higher in WordPress plugins list.
📡 Detection & Monitoring
Log Indicators:
- Unusual shortcode attributes in post/page content
- Multiple content edits from contributor accounts
Network Indicators:
- Script tags with unusual attributes in HTTP responses
- External script loads from slider content
SIEM Query:
source="wordpress" AND (event="post_updated" OR event="plugin_updated") AND plugin="slider-pro-lite"
🔗 References
- https://plugins.trac.wordpress.org/browser/slider-pro-lite/tags/1.4.1/public/class-slider-renderer.php#L181
- https://plugins.trac.wordpress.org/browser/slider-pro-lite/tags/1.4.1/public/class-sliderpro.php#L310
- https://plugins.trac.wordpress.org/browser/slider-pro-lite/tags/1.4.1/public/class-sliderpro.php#L447
- https://plugins.trac.wordpress.org/browser/slider-pro-lite/tags/1.4.1/public/class-sliderpro.php#L98
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d10036de-940f-4772-9aca-13bc647548d2?source=cve