CVE-2025-2906

6.4 MEDIUM

📋 TL;DR

The Contempo Real Estate Core WordPress plugin has a stored XSS vulnerability that allows authenticated attackers with contributor-level permissions or higher to inject malicious scripts into website pages. These scripts execute whenever users visit the compromised pages, potentially stealing credentials or performing unauthorized actions. WordPress sites using this plugin up to version 3.6.3 are affected.

💻 Affected Systems

Products:
  • Contempo Real Estate Core WordPress Plugin
Versions: Up to and including 3.6.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. Contributor-level or higher user accounts are 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, take over the WordPress site, install backdoors, deface the website, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers with contributor access inject malicious scripts to steal user session cookies, perform actions as other users, or display phishing content to visitors.

🟢

If Mitigated

With proper user access controls and content security policies, impact is limited to the specific compromised pages and user sessions.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access with at least contributor permissions. The vulnerability is in shortcode attribute handling, making exploitation straightforward for attackers with valid credentials.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.6.4 or later

Vendor Advisory: https://contempothemes.com/changelog/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Contempo Real Estate Core'. 4. Click 'Update Now' if available. 5. If no update appears, download version 3.6.4+ from the vendor site and manually update.

🔧 Temporary Workarounds

Remove Contributor Access

all

Temporarily remove contributor-level permissions or restrict user roles to prevent exploitation.

Content Security Policy

all

Implement CSP headers to restrict script execution from unauthorized sources.

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");

🧯 If You Can't Patch

  • Disable the Contempo Real Estate Core plugin until patched
  • Implement strict user access controls and audit all contributor-level accounts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Contempo Real Estate Core version. If version is 3.6.3 or lower, you are vulnerable.

Check Version:

wp plugin list --name='contempo-real-estate-core' --field=version

Verify Fix Applied:

After updating, verify plugin version shows 3.6.4 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual shortcode modifications in page/post revisions
  • Multiple page edits from contributor accounts in short time
  • Suspicious script tags in page content

Network Indicators:

  • Unexpected external script loads from WordPress pages
  • Suspicious outbound connections from user browsers visiting specific pages

SIEM Query:

source="wordpress" AND (event="post_modified" OR event="page_updated") AND user_role="contributor" AND content CONTAINS "<script>"

🔗 References

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