CRITICAL

CVE-2021-24493

CVSS v3

9.8

CRITICAL

EPSS Score

2.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-24493 yet.

Full record on NVD

Description

The shopp_upload_file AJAX action of the Shopp WordPress plugin through 1.4, available to both unauthenticated and authenticated user does not have any security measure in place to prevent upload of malicious files, such as PHP, allowing unauthenticated users to upload arbitrary files and leading to RCE

Technical details

Published: 2021-09-13

Frequently asked questions

What is CVE-2021-24493?

Is CVE-2021-24493 actively exploited?

Active exploitation of CVE-2021-24493 has not been confirmed. Its EPSS score was 2.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-24493?

CVE-2021-24493 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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