CVE-2025-27323

6.5 MEDIUM

📋 TL;DR

This DOM-based Cross-Site Scripting (XSS) vulnerability in the WP About Author WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all WordPress sites using WP About Author plugin versions up to 1.5, potentially compromising user sessions and site integrity.

💻 Affected Systems

Products:
  • WP About Author WordPress Plugin
Versions: n/a through 1.5
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations using vulnerable plugin versions are affected regardless of configuration.

⚠️ 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, deface websites, redirect users to malicious sites, or install backdoors for persistent access.

🟠

Likely Case

Session hijacking of logged-in users, cookie theft, or displaying malicious content to visitors.

🟢

If Mitigated

Limited impact with proper Content Security Policy (CSP) headers and input validation in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

DOM-based XSS typically requires user interaction but can be automated through social engineering.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.6 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-about-author/vulnerability/wordpress-wp-about-author-plugin-1-5-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 WP About Author and update to version 1.6 or later. 4. Verify update completes successfully.

🔧 Temporary Workarounds

Disable WP About Author Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate wp-about-author

Implement Content Security Policy

all

Add CSP headers to mitigate XSS impact

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

  • Implement Web Application Firewall (WAF) with XSS protection rules
  • Monitor for suspicious user input patterns and block malicious payloads

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for WP About Author version

Check Version:

wp plugin get wp-about-author --field=version

Verify Fix Applied:

Verify WP About Author plugin version is 1.6 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST/GET requests with script tags
  • Multiple failed login attempts after plugin access
  • Unexpected iframe or script injections in page source

Network Indicators:

  • Suspicious JavaScript payloads in HTTP requests
  • Unexpected redirects to external domains

SIEM Query:

source="wordpress.log" AND ("wp-about-author" OR "script" OR "javascript:") AND status=200

🔗 References

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