CVE-2024-56012

9.8 CRITICAL

📋 TL;DR

This CSRF vulnerability in Pearlbells WordPress plugins allows attackers to trick authenticated users into performing unintended actions, potentially escalating privileges to administrator level. It affects all WordPress sites using Flash News/Post (Responsive) or Post Title (TypeWriter) plugins up to version 4.1. Attackers can exploit this without authentication by crafting malicious requests.

💻 Affected Systems

Products:
  • Pearlbells Flash News / Post (Responsive)
  • Pearlbells Post Title (TypeWriter)
Versions: All versions up to and including 4.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with these plugins active. No special configuration required 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

Complete site takeover where attackers gain administrator privileges, install backdoors, deface websites, steal sensitive data, or use the compromised site for further attacks.

🟠

Likely Case

Attackers gain administrative access to WordPress sites, allowing them to modify content, install malicious plugins/themes, or create new admin accounts for persistence.

🟢

If Mitigated

Limited impact with proper CSRF protections, strong authentication, and network segmentation preventing successful exploitation.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

CSRF vulnerabilities are typically easy to exploit with basic web knowledge. Attackers need to trick authenticated users into visiting malicious pages.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 4.1

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/flashnews-fading-effect-pearlbells/vulnerability/wordpress-flash-news-post-responsive-plugin-4-1-csrf-to-privilege-escalation-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Update both Pearlbells Flash News/Post (Responsive) and Pearlbells Post Title (TypeWriter) to latest versions. 4. Verify updates completed successfully.

🔧 Temporary Workarounds

Disable vulnerable plugins

all

Temporarily disable affected plugins until patched

wp plugin deactivate flashnews-fading-effect-pearlbells
wp plugin deactivate flashnews-typewriter-pearlbells

Implement CSRF protection headers

linux

Add security headers to WordPress configuration

Add to .htaccess: Header set X-Frame-Options "DENY"
Add to .htaccess: Header set Content-Security-Policy "frame-ancestors 'none'"

🧯 If You Can't Patch

  • Remove affected plugins completely from WordPress installation
  • Implement web application firewall with CSRF protection rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins for Pearlbells Flash News/Post (Responsive) or Post Title (TypeWriter) with version 4.1 or lower

Check Version:

wp plugin list --name=*pearlbells* --field=version

Verify Fix Applied:

Verify plugin versions show higher than 4.1 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual admin privilege changes in WordPress logs
  • Multiple failed login attempts followed by successful admin actions
  • Unexpected plugin activation/modification events

Network Indicators:

  • Suspicious POST requests to wp-admin URLs from unexpected referrers
  • CSRF token validation failures in web server logs

SIEM Query:

source="wordpress.log" AND ("admin_role_change" OR "plugin_activated" OR "user_created") AND NOT user="expected_admin"

🔗 References

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