CVE-2024-11899

6.4 MEDIUM

📋 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

Products:
  • Slider Pro Lite WordPress Plugin
Versions: All versions up to and including 1.4.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the plugin active. Contributor-level or higher access needed for exploitation.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

all

Temporarily restrict contributor-level user roles from creating or editing posts until patched.

Disable Plugin

linux

Deactivate 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

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