CVE-2025-48107

7.1 HIGH

📋 TL;DR

A reflected cross-site scripting (XSS) vulnerability in the Uncode WordPress theme allows attackers to inject malicious scripts into web pages. When users click specially crafted links, attackers can steal session cookies, redirect users, or perform actions on their behalf. This affects all WordPress sites using vulnerable versions of the Uncode theme.

💻 Affected Systems

Products:
  • Uncode WordPress Theme
Versions: All versions up to 2.9.4.4
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Uncode theme active. The vulnerability is in the theme's code, not WordPress core.

⚠️ 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 session cookies, take over WordPress sites, install backdoors, deface websites, or steal sensitive user data.

🟠

Likely Case

Attackers steal user session cookies to hijack accounts, redirect users to malicious sites, or perform limited actions within the user's permissions.

🟢

If Mitigated

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

🌐 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 emails or malicious links. No authentication required to trigger the vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.9.4.5 or later

Vendor Advisory: https://patchstack.com/database/wordpress/theme/uncode/vulnerability/wordpress-uncode-theme-2-9-4-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Find Uncode theme and click 'Update Now'. 4. Alternatively, download latest version from WordPress.org and upload via FTP.

🔧 Temporary Workarounds

Temporary Input Sanitization

all

Add input validation filters to WordPress functions.php to sanitize all GET/POST parameters

Add to theme's functions.php: add_filter('the_content', 'wp_kses_post');

Web Application Firewall (WAF)

all

Deploy WAF rules to block XSS payloads in URL parameters

Cloudflare WAF rule: (http.request.uri.query contains "<script>")
ModSecurity rule: SecRule ARGS "@rx <script>" "id:1001,phase:2,deny"

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Disable the Uncode theme and switch to a secure alternative

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Appearance > Themes for Uncode version. If version is 2.9.4.4 or earlier, you are vulnerable.

Check Version:

wp theme list --field=name,version | grep uncode

Verify Fix Applied:

After updating, verify Uncode theme version shows 2.9.4.5 or later in WordPress admin.

📡 Detection & Monitoring

Log Indicators:

  • Unusual long URLs with script tags in access logs
  • Multiple 404 errors for URLs containing <script> patterns
  • Suspicious referrer headers containing JavaScript

Network Indicators:

  • HTTP requests with <script> tags in query parameters
  • URLs containing javascript: protocol or encoded script tags

SIEM Query:

source="web_access.log" AND (uri="*<script>*" OR uri="*javascript:*" OR query="*%3Cscript%3E*")

🔗 References

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