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CVE-2021-24493

CRITICALCVSS 9.8/10EPSS 1.91%

Last modified

CVE-2021-24493 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.91% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.91%

77.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IngenesisShopp<= 1.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-24493?
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
How severe is CVE-2021-24493?
CVE-2021-24493 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.91% probability of exploitation in the next 30 days.
How do I fix CVE-2021-24493?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24493?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST