CVE-2024-11830
📋 TL;DR
The PDF Flipbook, 3D Flipbook—DearFlip WordPress plugin has a stored cross-site scripting vulnerability that allows authenticated attackers with contributor-level permissions or higher to inject malicious scripts into pages. These scripts execute whenever users access the compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using this plugin up to version 2.3.52 are affected.
💻 Affected Systems
- PDF Flipbook, 3D Flipbook—DearFlip 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, take over the WordPress site, install backdoors, deface the site, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing pages, or display unwanted advertisements.
If Mitigated
With proper user role management and input validation, the impact is limited to potential data exposure from compromised contributor accounts.
🎯 Exploit Status
Exploitation requires authenticated access with contributor permissions or higher. The vulnerability is in outline settings where user input isn't properly sanitized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.53 and later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'PDF Flipbook, 3D Flipbook—DearFlip'. 4. Click 'Update Now' if available. 5. Alternatively, download version 2.3.53+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable plugin temporarily
allDeactivate the vulnerable plugin until patched
wp plugin deactivate 3d-flipbook-dflip-lite
Restrict user roles
allTemporarily remove contributor permissions from untrusted users
🧯 If You Can't Patch
- Remove contributor and author roles from untrusted users
- Implement web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'PDF Flipbook, 3D Flipbook—DearFlip' version 2.3.52 or lower
Check Version:
wp plugin get 3d-flipbook-dflip-lite --field=version
Verify Fix Applied:
Verify plugin version is 2.3.53 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with outline parameter modifications
- Multiple failed login attempts followed by successful contributor-level login
Network Indicators:
- JavaScript payloads in HTTP POST parameters
- Unusual outbound connections after page views
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND parameters CONTAINS "outline")
🔗 References
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3215546%403d-flipbook-dflip-lite&new=3215546%403d-flipbook-dflip-lite&sfp_email=&sfph_mail=
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3218103%403d-flipbook-dflip-lite&new=3218103%403d-flipbook-dflip-lite&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/88391d02-66d9-4c00-a519-17f92f64a17a?source=cve