CRITICAL

CVE-2021-24376

CVSS v3

9.8

CRITICAL

EPSS Score

10.0%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

The Autoptimize WordPress plugin before 2.7.8 attempts to delete malicious files (such as .php) form the uploaded archive via the "Import Settings" feature, after its extraction. However, the extracted folders are not checked and it is possible to upload a zip which contained a directory with PHP file in it and then it is not removed from the disk. It is a bypass of CVE-2020-24948 which allows sending a PHP file via the "Import Settings" functionality to achieve Remote Code Execution.

Technical details

Published
6/21/2021

Frequently asked questions

What is CVE-2021-24376?

The Autoptimize WordPress plugin before 2.7.8 attempts to delete malicious files (such as .php) form the uploaded archive via the "Import Settings" feature, after its extraction. However, the extracted folders are not checked and it is possible to upload a zip which contained a directory with PHP file in it and then it is not removed from the disk. It is a bypass of CVE-2020-24948 which allows sending a PHP file via the "Import Settings" functionality to achieve Remote Code Execution.

Is CVE-2021-24376 actively exploited?

Active exploitation of CVE-2021-24376 has not been confirmed. The EPSS score is 10.0%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-24376?

CVE-2021-24376 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-24376 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.