CVE-2025-26895
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in the m1.DownloadList WordPress plugin allows attackers to inject malicious scripts into web pages viewed by users. Attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. WordPress sites using vulnerable versions of the m1.DownloadList plugin are affected.
💻 Affected Systems
- m1.DownloadList 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, install backdoors, deface websites, or redirect visitors to malware distribution sites.
Likely Case
Attackers steal user session cookies or authentication tokens, potentially gaining unauthorized access to user accounts and performing actions on their behalf.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution, preventing exploitation.
🎯 Exploit Status
DOM-based XSS typically requires user interaction but can be exploited through crafted links or forms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.20 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find m1.DownloadList and click 'Update Now'. 4. Verify plugin version is 0.20 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate m1downloadlist
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 wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads
- Disable user input fields that trigger the vulnerability
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for m1.DownloadList version 0.19 or earlierCheck Version:
wp plugin get m1downloadlist --field=versionVerify Fix Applied:
Verify plugin version is 0.20 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests with script tags or JavaScript payloads
- Multiple failed login attempts after visiting specific pages
Network Indicators:
- HTTP requests containing <script>, javascript:, or encoded XSS payloads
SIEM Query:
source="wordpress" AND (uri="*<script>*" OR uri="*javascript:*" OR user_agent="*<script>*")