CVE-2024-53777

7.1 HIGH

📋 TL;DR

This CSRF vulnerability in the Simple Header and Footer WordPress plugin allows attackers to trick authenticated administrators into executing malicious actions without their consent, leading to stored cross-site scripting (XSS). Attackers can inject malicious scripts that execute in users' browsers when they visit affected pages. All WordPress sites using Simple Header and Footer version 1.0.0 or earlier are affected.

💻 Affected Systems

Products:
  • Simple Header and Footer WordPress Plugin
Versions: n/a through 1.0.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. The plugin must be active and accessible to authenticated users with appropriate privileges.

⚠️ 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 inject persistent malicious scripts that steal administrator credentials, deface websites, redirect visitors to malicious sites, or install backdoors for further compromise.

🟠

Likely Case

Attackers create fake admin interfaces or forms that trick logged-in administrators into executing actions that inject malicious JavaScript into website headers/footers, affecting all visitors.

🟢

If Mitigated

With proper CSRF tokens and input validation, the attack would fail as unauthorized requests would be rejected before any script injection occurs.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires tricking an authenticated administrator into clicking a malicious link or visiting a compromised page while logged into WordPress.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/simple-header-and-footer/vulnerability/wordpress-simple-header-and-footer-plugin-1-0-0-csrf-to-stored-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Simple Header and Footer'. 4. Click 'Update Now' if available. 5. If no update appears, deactivate and delete the plugin, then install the latest version from WordPress repository.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate the Simple Header and Footer plugin until patched

Implement CSRF Protection

all

Add custom CSRF tokens to plugin forms if you have development capabilities

🧯 If You Can't Patch

  • Restrict plugin access to trusted administrators only and implement strict access controls
  • Deploy a web application firewall (WAF) with CSRF and XSS protection rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins, find Simple Header and Footer and verify version is 1.0.0 or earlier

Check Version:

wp plugin list --name='simple-header-and-footer' --field=version

Verify Fix Applied:

After updating, verify plugin version shows 1.0.1 or later in WordPress admin plugins list

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to wp-admin/admin.php?page=simple-header-and-footer
  • Multiple failed CSRF validation attempts
  • Unexpected modifications to header/footer content

Network Indicators:

  • Suspicious referrer headers in admin requests
  • Unexpected JavaScript injection in HTTP responses

SIEM Query:

source="wordpress.log" AND ("simple-header-and-footer" OR "admin.php?page=simple-header-and-footer") AND (status=200 OR status=302)

🔗 References

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