CVE-2021-24220

high-risk
Published 2021-04-12

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.

Do I need to act?

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63.8% chance of exploitation in next 30 days
EPSS score — higher than 36% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10 Critical
NETWORK / LOW complexity

Affected Products (10)

Affected Vendors

Thrivethemes

References (4)

Exploit https://wpscan.com/vulnerability/a2424354-2639-4f53-a24f-afc11f6c4cac
Third Party Advisory https://www.wordfence.com/blog/2021/03/recently-patched-vulnerability-in-thrive-...
Exploit https://wpscan.com/vulnerability/a2424354-2639-4f53-a24f-afc11f6c4cac
Third Party Advisory https://www.wordfence.com/blog/2021/03/recently-patched-vulnerability-in-thrive-...
66
/ 100
high-risk
Severity 31/34 · Critical
Exploitability 19/34 · Moderate
Exposure 16/34 · Moderate