CVE-2025-57964
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Library Bookshelves WordPress plugin allows attackers to inject malicious scripts into web pages. When users view affected pages, the scripts execute in their browsers, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using Library Bookshelves plugin versions up to 5.11 are affected.
💻 Affected Systems
- Library Bookshelves 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.
Likely Case
Attackers inject malicious scripts that steal user session data or credentials when users visit compromised pages.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Exploitation requires the ability to inject malicious input into the plugin's functionality, which typically requires some level of access or user interaction.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 5.11
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Library Bookshelves plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
WordPressTemporarily disable the Library Bookshelves plugin until patched.
wp plugin deactivate library-bookshelves
Content Security Policy
allImplement strict Content Security Policy headers to mitigate XSS impact.
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'");
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads.
- Disable user input fields that could be exploited until patching is possible.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Library Bookshelves version 5.11 or earlier.Check Version:
wp plugin get library-bookshelves --field=versionVerify Fix Applied:
Verify plugin version is higher than 5.11 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints with script tags or JavaScript code
- Multiple failed attempts to access plugin admin functions
Network Indicators:
- HTTP requests containing <script> tags or JavaScript payloads to plugin URLs
SIEM Query:
source="wordpress" AND (uri_path="/wp-content/plugins/library-bookshelves" AND (http_method="POST" OR http_method="PUT") AND (content CONTAINS "<script>" OR content CONTAINS "javascript:"))