CVE-2025-23899
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Bookalet WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the injected scripts, the attacker can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites running Bookalet versions up to 1.0.3 are affected.
💻 Affected Systems
- Bookalet 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 users to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, potentially compromising user accounts and performing unauthorized actions.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users.
🎯 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: 1.0.4 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/bookalet/vulnerability/wordpress-bookalet-plugin-1-0-3-cross-site-scripting-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Bookalet plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 1.0.4+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Bookalet Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate bookalet
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting Bookalet endpoints
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use WordPress security plugins with XSS protection features
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Bookalet version. If version is 1.0.3 or earlier, you are vulnerable.Check Version:
wp plugin get bookalet --field=versionVerify Fix Applied:
After updating, verify Bookalet plugin shows version 1.0.4 or higher in WordPress admin plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Bookalet plugin endpoints
- JavaScript payloads in URL parameters or form submissions
Network Indicators:
- HTTP requests containing script tags or JavaScript code targeting /wp-content/plugins/bookalet/ paths
SIEM Query:
source="*access.log*" AND (uri_path="*bookalet*" AND (query="*<script>*" OR query="*javascript:*" OR body="*<script>*"))