CVE-2025-14353

7.5 HIGH

📋 TL;DR

This SQL injection vulnerability in the WordPress ZIP Code Based Content Protection plugin allows unauthenticated attackers to inject malicious SQL queries via the 'zipcode' parameter. Attackers can extract sensitive information from the database, including user credentials and other confidential data. All WordPress sites using this plugin up to version 1.0.2 are affected.

💻 Affected Systems

Products:
  • WordPress ZIP Code Based Content Protection plugin
Versions: All versions up to and including 1.0.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in default plugin configuration and requires no special setup to be exploitable.

⚠️ 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 database compromise leading to data exfiltration, privilege escalation, and potential site takeover.

🟠

Likely Case

Extraction of sensitive user data, plugin configuration details, and potentially WordPress user credentials.

🟢

If Mitigated

Limited information disclosure if database permissions are properly restricted and input validation is enforced elsewhere.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

SQL injection via GET/POST parameters is well-understood and easily automated.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.3 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3464999%40zip-code-based-content-protection&new=3464999%40zip-code-based-content-protection&sfp_email=&sfph_mail=

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'ZIP Code Based Content Protection'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.0.3+ from WordPress.org and replace plugin files.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily disable the plugin until patched version is available.

wp plugin deactivate zip-code-based-content-protection

Web Application Firewall rule

linux

Block SQL injection patterns targeting the zipcode parameter.

ModSecurity rule: SecRule ARGS:zipcode "@detectSQLi" "id:1001,phase:2,deny,status:403"

🧯 If You Can't Patch

  • Implement strict input validation for zipcode parameter to allow only numeric 5-digit values
  • Deploy a web application firewall with SQL injection protection rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → ZIP Code Based Content Protection → Version. If version is 1.0.2 or lower, you are vulnerable.

Check Version:

wp plugin get zip-code-based-content-protection --field=version

Verify Fix Applied:

After update, verify plugin version shows 1.0.3 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL errors in WordPress debug logs
  • Multiple requests with SQL keywords in zipcode parameter
  • Requests to plugin endpoints with suspicious payloads

Network Indicators:

  • HTTP requests containing SQL injection patterns in zipcode parameter
  • Unusual database query patterns from web server

SIEM Query:

source="wordpress.log" AND ("zipcode" AND ("UNION" OR "SELECT" OR "INSERT" OR "UPDATE" OR "DELETE" OR "--" OR "' OR '1'='1"))

🔗 References

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