CVE-2021-24220
9.1 · CRITICALOverview
CVE-2021-24220 is a critical-severity vulnerability affecting thrivethemes focusblog. It was published on April 12, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Thrive “Legacy” Rise by Thrive Themes WordPress theme before 2.0.0, Luxe by Thrive Themes WordPress theme before 2.0.0, Minus by Thrive Themes WordPress theme before 2.0.0, Ignition by Thrive Themes WordPress theme before 2.0.0, FocusBlog by Thrive Themes WordPress theme before 2.0.0, Squared by Thrive Themes WordPress theme before 2.0.0, Voice WordPress theme before 2.0.0, Performag by Thrive Themes WordPress theme before 2.0.0, Pressive by Thrive Themes WordPress theme before 2.0.0, Storied by Thrive Themes WordPress theme before 2.0.0 register a REST API endpoint to compress images using the Kraken image optimization engine. By supplying a crafted request in combination with data inserted using the Option Update vulnerability, it was possible to use this endpoint to retrieve malicious code from a remote URL and overwrite an existing file on the site with it or create a new file.This includes executable PHP files that contain malicious code.
Remediation
Check the references section for vendor advisories and patches from thrivethemes. Update focusblog to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| thrivethemes | focusblog | >= 0, < 2.0.0 | Affected |
| thrivethemes | ignition | >= 0, < 2.0.0 | Affected |
| thrivethemes | luxe | >= 0, < 2.0.0 | Affected |
| thrivethemes | minus | >= 0, < 2.0.0 | Affected |
| thrivethemes | performag | >= 0, < 2.0.0 | Affected |
| thrivethemes | pressive | >= 0, < 2.0.0 | Affected |
| thrivethemes | rise | >= 0, < 2.0.0 | Affected |
| thrivethemes | squared | >= 0, < 2.0.0 | Affected |
| thrivethemes | storied | >= 0, < 2.0.0 | Affected |
| thrivethemes | voice | >= 0, < 2.0.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-24220?
CVE-2021-24220 is a critical-severity vulnerability affecting thrivethemes focusblog. It was published on April 12, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2021-24220?
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-24220?
Check the references section for vendor advisories and patches from thrivethemes. Update focusblog to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-24220?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-24220 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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