CVE-2025-31539
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Blocksera Cryptocurrency Widgets Pack WordPress plugin that allows attackers to bypass access controls. It affects all WordPress sites running the plugin from unknown versions through 2.0.1. Attackers could exploit this to perform unauthorized actions that should require proper authentication.
💻 Affected Systems
- Blocksera Cryptocurrency Widgets Pack 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 modify cryptocurrency widget settings, inject malicious content, or potentially gain administrative access to the WordPress site if combined with other vulnerabilities.
Likely Case
Unauthorized users could modify cryptocurrency display settings, change widget configurations, or inject advertisements/redirects into affected widgets.
If Mitigated
With proper network segmentation and WordPress hardening, impact would be limited to widget functionality manipulation within the affected plugin scope.
🎯 Exploit Status
Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.0.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Cryptocurrency Widgets Pack'
4. Click 'Update Now' if update available
5. If no update available, deactivate and delete the plugin
6. Install latest version from WordPress repository
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate cryptocurrency-widgets-pack
Restrict Access
allUse WordPress security plugins to restrict access to plugin admin pages
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized access to plugin admin endpoints
- Enable WordPress security hardening measures including file permissions, .htaccess restrictions, and security headers
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Cryptocurrency Widgets Pack' version 2.0.1 or earlierCheck Version:
wp plugin get cryptocurrency-widgets-pack --field=versionVerify Fix Applied:
Verify plugin version is greater than 2.0.1 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to /wp-admin/admin-ajax.php with cryptocurrency-widgets-pack actions
- Multiple failed authentication attempts followed by successful plugin configuration changes
Network Indicators:
- Unusual traffic patterns to plugin-specific admin endpoints from unauthorized IP addresses
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND action="*cryptocurrency*" AND user="-")