CVE-2025-62961
📋 TL;DR
This CVE describes a missing authorization vulnerability in the Sparkle FSE WordPress theme that allows attackers to bypass access controls. It affects all WordPress sites using Sparkle FSE theme versions up to 1.0.9. Attackers could potentially access restricted functionality or data they shouldn't have permission to view.
💻 Affected Systems
- Sparkle FSE WordPress Theme
⚠️ 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 access administrative functions, modify site content, extract sensitive user data, or compromise the entire WordPress installation.
Likely Case
Unauthorized users accessing restricted theme functionality, potentially viewing or modifying theme settings, widgets, or customizer options they shouldn't have access to.
If Mitigated
Proper user role validation prevents unauthorized access, limiting impact to legitimate users only.
🎯 Exploit Status
Exploitation requires some WordPress user access but bypasses authorization checks. Attackers need to identify vulnerable endpoints or functions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.10 or later
Vendor Advisory: https://patchstack.com/database/wordpress/theme/sparkle-fse/vulnerability/wordpress-sparkle-fse-theme-1-0-9-broken-access-control-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Find Sparkle FSE theme. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress repository and manually replace theme files.
🔧 Temporary Workarounds
Disable Sparkle FSE Theme
allSwitch to a different WordPress theme until patch can be applied
wp theme deactivate sparkle-fse
wp theme activate twentytwentyfour
Restrict Theme Access via .htaccess
linuxAdd access restrictions to theme directory
Order Deny,Allow
Deny from all
<Files "*.php">
Order Allow,Deny
Deny from all
</Files>
🧯 If You Can't Patch
- Implement strict network segmentation to isolate WordPress installation
- Deploy web application firewall (WAF) with rules to detect and block unauthorized access patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress theme version: In WordPress admin, go to Appearance > Themes and check Sparkle FSE version. If version is 1.0.9 or earlier, you are vulnerable.Check Version:
wp theme list --name=sparkle-fse --field=versionVerify Fix Applied:
After updating, verify theme version shows 1.0.10 or later. Test restricted theme functions with non-admin users to confirm proper authorization.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to theme-specific endpoints
- 403 errors followed by successful 200 responses from same user
- User role escalation patterns in WordPress logs
Network Indicators:
- Unusual requests to /wp-content/themes/sparkle-fse/ endpoints from non-admin users
- POST requests to theme admin functions from unauthorized IPs
SIEM Query:
source="wordpress.log" AND ("sparkle-fse" OR "sparkle_fse") AND (response_code=200) AND (user_role!="administrator")