CVE-2025-22263

7.1 HIGH

📋 TL;DR

This CVE describes a reflected cross-site scripting (XSS) vulnerability in the Global Gallery WordPress plugin. Attackers can inject malicious scripts via crafted URLs that execute when victims visit those links. All WordPress sites using Global Gallery versions up to 8.8.0 are affected.

💻 Affected Systems

Products:
  • Global Gallery WordPress Plugin
Versions: n/a through 8.8.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: WordPress multisite installations are also affected. The vulnerability exists in the plugin's web page generation where user input isn't properly sanitized.

⚠️ 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 session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deface websites.

🟠

Likely Case

Attackers craft phishing emails with malicious links that steal session cookies or redirect users to credential harvesting pages when clicked.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Reflected XSS vulnerabilities are commonly exploited via phishing campaigns. The PatchStack reference includes technical details about the vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 8.8.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/global-gallery/vulnerability/wordpress-global-gallery-plugin-8-8-0-reflected-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 Global Gallery and click 'Update Now'. 4. Verify the plugin version is 8.8.1 or higher.

🔧 Temporary Workarounds

Disable Global Gallery Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate global-gallery

Implement WAF Rules

all

Add web application firewall rules to block XSS payloads

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Use browser security extensions that block reflected XSS attacks

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Global Gallery version. If version is 8.8.0 or lower, you're vulnerable.

Check Version:

wp plugin get global-gallery --field=version

Verify Fix Applied:

After updating, verify the plugin shows version 8.8.1 or higher in WordPress admin.

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET/POST requests with script tags or JavaScript payloads to Global Gallery endpoints
  • Multiple failed XSS attempts in web server logs

Network Indicators:

  • HTTP requests containing <script> tags or JavaScript code in query parameters
  • Traffic patterns showing users being redirected after visiting specific URLs

SIEM Query:

source="web_logs" AND (uri="*global-gallery*" AND (query="*<script>*" OR query="*javascript:*" OR query="*onload=*"))

🔗 References

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