CVE-2025-59556

7.1 HIGH

📋 TL;DR

This is a reflected cross-site scripting (XSS) vulnerability in the GoStore WordPress theme that allows attackers to inject malicious scripts into web pages. When exploited, it can steal user sessions, redirect users to malicious sites, or perform actions on behalf of users. All WordPress sites using GoStore theme versions before 1.6.4 are affected.

💻 Affected Systems

Products:
  • GoStore WordPress Theme
Versions: All versions before 1.6.4
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with GoStore theme enabled. Requires user interaction (clicking malicious link).

⚠️ 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 steal administrator credentials, take over the WordPress site, install backdoors, and compromise all user data.

🟠

Likely Case

Attackers steal user session cookies, redirect users to phishing pages, or deface the website.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before execution.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Reflected XSS typically requires social engineering to trick users into clicking malicious links.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.6.4

Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/gostore/vulnerability/wordpress-gostore-theme-1-6-4-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Update GoStore theme to version 1.6.4 or later. 4. Clear any caching plugins/CDN caches.

🔧 Temporary Workarounds

Web Application Firewall (WAF)

all

Deploy a WAF with XSS protection rules to block malicious payloads.

Content Security Policy (CSP)

all

Implement CSP headers to restrict script execution sources.

Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Header set X-Content-Type-Options "nosniff"

🧯 If You Can't Patch

  • Disable or replace GoStore theme with a secure alternative.
  • Implement strict input validation and output encoding in custom code.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Appearance > Themes for GoStore version. If version is below 1.6.4, you are vulnerable.

Check Version:

wp theme list --name=gostore --field=version

Verify Fix Applied:

Confirm GoStore theme version is 1.6.4 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual long URLs with script tags in access logs
  • Multiple failed XSS attempts in security logs

Network Indicators:

  • HTTP requests containing <script> tags or javascript: URIs
  • Unusual redirects to external domains

SIEM Query:

source="web_access.log" AND (url="*<script>*" OR url="*javascript:*")

🔗 References

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