CVE-2025-31407

6.5 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the Tiger WordPress theme allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. All WordPress sites using Tiger theme versions up to 2.0 are affected. The vulnerability enables attackers to steal session cookies, redirect users, or perform actions on their behalf.

💻 Affected Systems

Products:
  • WordPress Tiger Theme
Versions: All versions up to and including 2.0
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Tiger theme active. Vulnerability exists in theme's input handling during web page generation.

⚠️ 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 redirect visitors to malicious sites.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies, potentially compromising user accounts and performing unauthorized actions.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Stored XSS vulnerabilities are commonly exploited. The Patchstack reference provides technical details about the vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 2.0 (check theme repository for specific version)

Vendor Advisory: https://patchstack.com/database/wordpress/theme/tiger/vulnerability/wordpress-tiger-theme-2-0-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check for Tiger theme updates. 4. Update to latest version. 5. Clear any caching plugins. 6. Test website functionality.

🔧 Temporary Workarounds

Disable Tiger Theme

all

Switch to a different WordPress theme until patch is available

Implement WAF Rules

all

Configure web application firewall to block XSS payloads

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Enable WordPress security plugins with XSS protection features

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Appearance > Themes > Tiger theme version. If version is 2.0 or earlier, you are vulnerable.

Check Version:

wp theme list --field=name,status,version | grep tiger

Verify Fix Applied:

After updating, verify Tiger theme version is above 2.0. Test theme functionality and check for any broken features.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to theme files
  • JavaScript payloads in request parameters
  • Multiple failed XSS attempts

Network Indicators:

  • Malicious script tags in HTTP requests
  • Suspicious redirects from theme pages

SIEM Query:

source="wordpress" AND (http_method="POST" AND uri_path="*tiger*" AND (request_body="*<script>*" OR request_body="*javascript:*"))

🔗 References

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