CVE-2025-68838
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the MemberPress Discord Addon WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- expresstechsoftware MemberPress Discord Addon
⚠️ 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, install backdoors, or redirect users to malicious sites.
Likely Case
Attackers steal user session cookies or credentials through phishing links, potentially compromising user accounts.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS typically requires user interaction (clicking a malicious link) but is easy to weaponize in phishing campaigns.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'MemberPress Discord Addon'. 4. Click 'Update Now' if available. 5. If no update appears, download version 1.1.5+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the MemberPress Discord Addon plugin until patched.
wp plugin deactivate expresstechsoftwares-memberpress-discord-add-on
Implement WAF rules
allAdd web application firewall rules to block XSS payloads targeting this plugin.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution sources
- Use browser security extensions that block reflected XSS attacks
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'MemberPress Discord Addon' version 1.1.4 or earlier.Check Version:
wp plugin get expresstechsoftwares-memberpress-discord-add-on --field=versionVerify Fix Applied:
Verify plugin version is 1.1.5 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript payloads to plugin endpoints
- Multiple failed login attempts following suspicious URL visits
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
SIEM Query:
source="wordpress.log" AND ("memberpress-discord" OR "expresstechsoftwares") AND ("<script>" OR "javascript:" OR "%3Cscript%3E")