CVE-2025-49905
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Range Slider Addon for Gravity Forms WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Range Slider Addon for Gravity Forms 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 steal administrator session cookies, gain full control of the WordPress site, install backdoors, deface the site, or steal sensitive user data.
Likely Case
Attackers steal user session cookies, perform actions as authenticated users, or redirect users to malicious sites.
If Mitigated
With proper input validation and output encoding, the malicious scripts are neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill. Attackers need to trick users into clicking malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.7 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Range Slider Addon for Gravity Forms'. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 1.1.7+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Range Slider Addon for Gravity Forms plugin until patched
wp plugin deactivate range-slider-addon-for-gravity-forms
Implement WAF rules
allConfigure web application firewall to block XSS payloads targeting the vulnerable endpoint
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use browser security extensions or plugins that block XSS attacks
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for 'Range Slider Addon for Gravity Forms' versionCheck Version:
wp plugin get range-slider-addon-for-gravity-forms --field=versionVerify Fix Applied:
Verify plugin version is 1.1.7 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code to plugin endpoints
- Multiple failed login attempts following suspicious URL visits
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
SIEM Query:
source="web_server" AND (uri="*range-slider*" OR uri="*gravity-forms*") AND (content="<script>" OR content="javascript:" OR content="%3Cscript%3E")