CVE-2025-30987
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the JetBlocks For Elementor WordPress plugin allows attackers to inject malicious scripts into web pages. When users view affected pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using vulnerable versions of JetBlocks For Elementor are affected.
💻 Affected Systems
- JetBlocks For Elementor 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 visitors to malicious sites, potentially leading to complete site compromise and data theft.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, perform actions as authenticated users, or display phishing content to visitors.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers, preventing execution.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. Attackers need to inject malicious payloads through vulnerable input fields, which typically requires some level of access or social engineering.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.17 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find JetBlocks For Elementor. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.3.17+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable JetBlocks Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate jet-blocks
Implement WAF Rules
allConfigure web application firewall to block XSS payloads
🧯 If You Can't Patch
- Disable or remove the JetBlocks For Elementor plugin entirely
- Implement strict Content Security Policy (CSP) headers to mitigate script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > JetBlocks For Elementor version. If version is 1.3.16 or earlier, you are vulnerable.Check Version:
wp plugin get jet-blocks --field=versionVerify Fix Applied:
Verify plugin version is 1.3.17 or later in WordPress admin panel. Test input fields that previously accepted script tags to ensure they are now properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests containing script tags or JavaScript code to JetBlocks endpoints
- Multiple failed login attempts following XSS payload injection
Network Indicators:
- HTTP requests containing <script> tags or JavaScript event handlers in parameters
- Outbound connections to suspicious domains from your WordPress site
SIEM Query:
source="wordpress.log" AND ("jet-blocks" OR "jetblocks") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")