CVE-2025-52764
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the flexoslider WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing cookies, session tokens, or performing actions on their behalf. All WordPress sites using vulnerable versions of the flexoslider plugin are affected.
💻 Affected Systems
- WordPress flexoslider 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 steal user session cookies or credentials, perform actions on behalf of users, or display phishing content.
If Mitigated
Limited to stealing non-sensitive data from users who click malicious links, with minimal impact on site functionality.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited. Attack requires user interaction (clicking malicious link).
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0005 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find flexoslider and click 'Update Now'. 4. Verify update to version 1.0005 or later.
🔧 Temporary Workarounds
Disable flexoslider plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate flexoslider
Implement WAF rules
allAdd web application firewall rules to block XSS payloads
🧯 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 flexoslider versionCheck Version:
wp plugin get flexoslider --field=versionVerify Fix Applied:
Verify flexoslider plugin version is 1.0005 or later in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests with script tags or JavaScript in parameters
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing <script> tags or JavaScript in URL parameters
- Traffic patterns showing users being redirected to suspicious URLs
SIEM Query:
source="web_server_logs" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=") AND uri="*flexoslider*"