CVE-2025-9710
📋 TL;DR
This vulnerability in the Responsive Lightbox & Gallery WordPress plugin allows unauthenticated attackers to inject malicious scripts through HTML tag attributes, leading to stored cross-site scripting (XSS) attacks. Any WordPress site using versions before 2.5.3 of this plugin is affected. The attack can be executed without authentication.
💻 Affected Systems
- Responsive Lightbox & Gallery 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 inject malicious JavaScript that steals admin credentials, redirects users to phishing sites, or takes over administrative control of the WordPress site.
Likely Case
Attackers inject malicious scripts that steal user session cookies, deface websites, or redirect visitors to malicious sites.
If Mitigated
With proper input validation and output encoding, the impact is limited to minor content manipulation with no privilege escalation.
🎯 Exploit Status
Stored XSS vulnerabilities in WordPress plugins are frequently weaponized due to their impact and ease of exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.5.3
Vendor Advisory: https://wpscan.com/vulnerability/a45c74b7-b174-479f-9681-464601b082df/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Responsive Lightbox & Gallery'. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 2.5.3+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate responsive-lightbox
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 nginx config: add_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 targeting this plugin
- Disable user registration and commenting features that might accept HTML input
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Responsive Lightbox & Gallery' version number.Check Version:
wp plugin get responsive-lightbox --field=versionVerify Fix Applied:
Verify plugin version is 2.5.3 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php with HTML/script payloads
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing suspicious script tags or event handlers in parameters
- Outbound connections to unknown domains after page loads
SIEM Query:
source="web_logs" AND (uri="*admin-ajax.php*" OR uri="*wp-admin*" OR uri="*wp-content/plugins/responsive-lightbox*") AND (message="*<script*" OR message="*onload=*" OR message="*onerror=*")