CVE-2025-31730
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the DigitalCourt Marketer Addons WordPress plugin allows attackers to inject malicious scripts into web pages. When users view affected pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- DigitalCourt Marketer Addons WordPress Plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- 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, potentially compromising all site data and user information.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially gaining administrative access to the WordPress site.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers, preventing exploitation.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited, though specific exploit details for this CVE aren't publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.0.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Marketer Addons' and click 'Update Now'. 4. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate marketer-addons
Content Security Policy
allImplement CSP headers to restrict script execution
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'";
🧯 If You Can't Patch
- Remove the Marketer Addons plugin completely from your WordPress installation
- Implement web application firewall (WAF) rules to block XSS payloads targeting this plugin
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Marketer Addons version. If version is 1.0.1 or earlier, you're vulnerable.Check Version:
wp plugin get marketer-addons --field=versionVerify Fix Applied:
After updating, verify plugin version shows higher than 1.0.1 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints containing script tags or JavaScript
- Multiple failed login attempts following suspicious plugin activity
Network Indicators:
- HTTP requests containing <script> tags or JavaScript in parameters targeting plugin endpoints
- Unexpected outbound connections from WordPress server after plugin access
SIEM Query:
source="wordpress.log" AND ("marketer-addons" OR "marketer_addons") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")