CVE-2025-26744
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in the JetBlog WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all JetBlog plugin versions up to and including 2.4.3, potentially compromising any WordPress site using this plugin.
💻 Affected Systems
- JetBlog 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 session cookies, redirect users to malicious sites, deface websites, or perform actions on behalf of authenticated users, potentially leading to full site compromise.
Likely Case
Attackers inject malicious scripts to steal user session cookies or credentials, potentially gaining unauthorized access to WordPress admin panels.
If Mitigated
With proper Content Security Policy (CSP) headers and input validation, impact is limited to script execution in specific contexts.
🎯 Exploit Status
DOM-based XSS vulnerabilities are commonly exploited and require minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.4 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/jet-blog/vulnerability/wordpress-jetblog-plugin-2-4-3-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 JetBlog plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable JetBlog Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate jet-blog
Implement Content Security Policy
allAdd 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) with XSS protection rules
- Disable user input fields that trigger the DOM manipulation
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for JetBlog version 2.4.3 or earlierCheck Version:
wp plugin get jet-blog --field=versionVerify Fix Applied:
Verify JetBlog plugin version is 2.4.4 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests with script tags to JetBlog endpoints
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing malicious script payloads
- Unusual outbound connections after page loads
SIEM Query:
source="web_server" AND ("jet-blog" OR "jetblog") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")