CVE-2026-25393
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Hello FSE WordPress theme that allows attackers to exploit incorrectly configured access control security levels. Attackers could potentially access restricted functionality or data. All WordPress sites using Hello FSE theme versions up to and including 1.0.6 are affected.
💻 Affected Systems
- sparklewpthemes Hello 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
Unauthorized users gain administrative privileges, modify site content, install malicious plugins, or access sensitive user data.
Likely Case
Attackers access restricted theme functionality, modify theme settings, or view content intended for authenticated users only.
If Mitigated
Proper access controls prevent unauthorized access, limiting impact to failed authentication attempts.
🎯 Exploit Status
Missing authorization vulnerabilities typically require minimal technical skill to exploit once attack vectors are identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.0.6
Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/hello-fse/vulnerability/wordpress-hello-fse-theme-1-0-6-broken-access-control-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Appearance > Themes
3. Check Hello FSE theme version
4. Update to latest version via WordPress updates or manually download from official repository
5. Verify update completed successfully
🔧 Temporary Workarounds
Disable Hello FSE Theme
allSwitch to a different WordPress theme temporarily until patch can be applied
wp theme deactivate hello-fse
wp theme activate twentytwentyfour
Restrict Access via .htaccess
linuxAdd access restrictions to theme directories
Order Deny,Allow
Deny from all
Allow from 127.0.0.1
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized access attempts
- Enable detailed logging and monitoring for access control violation attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Hello FSE version <= 1.0.6Check Version:
wp theme list --name=hello-fse --field=versionVerify Fix Applied:
Confirm Hello FSE theme version is > 1.0.6 in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to theme admin endpoints
- 403 Forbidden errors followed by successful 200 responses
Network Indicators:
- HTTP requests to theme-specific admin URLs from unauthenticated sources
SIEM Query:
source="wordpress.log" AND ("hello-fse" OR "hello_fse") AND (status=200 OR status=403) AND user="-"