CVE-2025-27273

5.8 MEDIUM

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages generated by the Affiliate Links Manager WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing cookies, session tokens, or performing actions on their behalf. All WordPress sites running vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • Affiliate Links Manager WordPress Plugin
Versions: All versions up to and including 1.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Affiliate Links Manager plugin installed and activated.

⚠️ 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, deface websites, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers steal user session cookies or credentials through phishing links, potentially compromising individual user accounts.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Reflected XSS vulnerabilities are commonly exploited through phishing emails or malicious links.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not available

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/affiliate-links-manager/vulnerability/wordpress-affiliate-links-manager-plugin-1-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Deactivate and delete the Affiliate Links Manager plugin. 2. Find an alternative affiliate link management solution. 3. Consider using a web application firewall (WAF) with XSS protection.

🔧 Temporary Workarounds

Implement Content Security Policy (CSP)

all

Add a Content Security Policy header to restrict script execution sources

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";

Enable WordPress Security Plugins

all

Install security plugins that provide XSS protection

Install Wordfence, Sucuri, or similar security plugin

🧯 If You Can't Patch

  • Remove the Affiliate Links Manager plugin completely
  • Implement a web application firewall (WAF) with XSS filtering rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'Affiliate Links Manager' version 1.0 or earlier

Check Version:

wp plugin list --name='affiliate-links-manager' --field=version

Verify Fix Applied:

Confirm the plugin is no longer installed or has been replaced with a secure alternative

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET requests with script tags in parameters
  • Multiple failed XSS attempts in web server logs
  • Suspicious referrer URLs containing script payloads

Network Indicators:

  • HTTP requests containing <script> tags in query parameters
  • Unusual outbound connections after visiting specific URLs

SIEM Query:

source="web_server_logs" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=") AND uri_path="/wp-content/plugins/affiliate-links-manager/"

🔗 References

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