CVE-2025-25080
📋 TL;DR
A stored cross-site scripting (XSS) vulnerability in the Kona Gallery Block WordPress plugin allows attackers to inject malicious scripts that execute when users view affected pages. This affects all WordPress sites using Kona Gallery Block versions up to 1.7. Attackers could steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- Kona Gallery Block 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 credentials, take over the WordPress site, install backdoors, or redirect visitors to malicious sites, potentially compromising the entire web server.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, potentially gaining unauthorized access to user accounts and performing actions as those users.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution, preventing any impact.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited in the wild. Attackers need contributor-level access or higher to inject malicious scripts.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Kona Gallery Block. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate kona-gallery-block
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Remove plugin entirely and use alternative gallery solutions
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Kona Gallery Block version 1.7 or earlierCheck Version:
wp plugin get kona-gallery-block --field=versionVerify Fix Applied:
Verify plugin version is 1.8 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to gallery-related endpoints
- JavaScript payloads in form submissions
- Multiple failed authentication attempts followed by successful contributor/admin login
Network Indicators:
- Suspicious outbound connections from WordPress site to unknown domains
- Unexpected redirects from gallery pages
SIEM Query:
source="wordpress.log" AND ("kona-gallery" OR "gallery-block") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")