CVE-2025-31894
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in Infoway LLC's Ebook Downloader WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the malicious content, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using Ebook Downloader version 1.0 or earlier are affected.
💻 Affected Systems
- Infoway LLC Ebook Downloader 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 users to malicious sites, potentially leading to complete site compromise and data theft.
Likely Case
Attackers inject malicious JavaScript that steals user session cookies or credentials when users visit compromised pages, leading to account takeover and unauthorized access.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users, preventing execution while maintaining plugin functionality.
🎯 Exploit Status
XSS vulnerabilities are commonly exploited, and proof-of-concept details are publicly available through security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Ebook Downloader' and check for updates. 4. If update available, click 'Update Now'. 5. If no update appears, manually download version 1.0.1+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate ebook-downloader
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
- Enable WordPress security plugins with XSS protection features
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Ebook Downloader version 1.0 or earlierCheck Version:
wp plugin get ebook-downloader --field=versionVerify Fix Applied:
Verify plugin version is 1.0.1 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints with script tags
- Multiple failed XSS attempts in web server logs
- Unexpected JavaScript in ebook-related form submissions
Network Indicators:
- HTTP requests containing <script> tags to ebook-downloader endpoints
- Unusual outbound connections after visiting ebook pages
SIEM Query:
source="web_server" AND (uri_path="*ebook-downloader*" AND (http_method="POST" AND request_body="*<script>*"))