CVE-2025-26549

7.1 HIGH

📋 TL;DR

A Cross-Site Request Forgery (CSRF) vulnerability in the WP Html Page Sitemap WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. When exploited, this could let attackers inject malicious scripts into WordPress sites that execute when other users view affected pages. This affects all WordPress sites using WP Html Page Sitemap plugin versions up to 2.2.

💻 Affected Systems

Products:
  • WP Html Page Sitemap WordPress Plugin
Versions: All versions up to and including 2.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires the plugin to be installed and activated on a WordPress site. Attackers need to trick authenticated users into visiting malicious pages.

⚠️ 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 complete site takeover.

🟠

Likely Case

Attackers trick authenticated users into performing actions that inject malicious JavaScript into site pages, potentially compromising visitor sessions and data.

🟢

If Mitigated

With proper CSRF protections and input validation, the vulnerability would be prevented from being exploited.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires social engineering to trick authenticated users into performing actions. The CSRF leads to stored XSS payload injection.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 2.3 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-html-page-sitemap/vulnerability/wordpress-wp-html-page-sitemap-plugin-2-2-csrf-to-stored-cross-site-scripting?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WP Html Page Sitemap' and click 'Update Now' if available. 4. Alternatively, download version 2.3+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Temporary Plugin Deactivation

WordPress

Disable the vulnerable plugin until patched

wp plugin deactivate wp-html-page-sitemap

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution sources
  • Use WordPress security plugins that add CSRF protection layers

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for WP Html Page Sitemap version

Check Version:

wp plugin get wp-html-page-sitemap --field=version

Verify Fix Applied:

Verify plugin version is 2.3 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to wp-admin/admin-ajax.php or plugin-specific endpoints
  • Unexpected modifications to sitemap or plugin settings

Network Indicators:

  • Suspicious outbound connections from WordPress site after page views
  • Unexpected JavaScript loading from external domains

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" OR plugin="wp-html-page-sitemap") AND status=200 AND method=POST

🔗 References

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