CVE-2021-24212

Name: CVE-2021-24212
Creator: NVD / NIST
Published: 2021-04-05T19:15:17.593+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 7.91%

Last modified Jun 17, 2026

CVE-2021-24212 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The WooCommerce Help Scout WordPress plugin before 2.9.1 (https://woocommerce.com/products/woocommerce-help-scout/) allows unauthenticated users to upload any files to the site which by default will end up in wp-content/uploads/hstmp.. EPSS estimates a 7.91% chance of exploitation in the next 30 days.

Description

The WooCommerce Help Scout WordPress plugin before 2.9.1 (https://woocommerce.com/products/woocommerce-help-scout/) allows unauthenticated users to upload any files to the site which by default will end up in wp-content/uploads/hstmp.

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

7.91%

94.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Woocommerce	Help Scout	< 2.9.1

References

http://dzv365zjfbd8v.cloudfront.net/changelogs/woocommerce-help-scout/changelog.txtRelease Notes, Third Party Advisory
https://wpscan.com/vulnerability/cf9305e8-f5bc-45c3-82db-0ef00fd46129Exploit, Third Party Advisory
http://dzv365zjfbd8v.cloudfront.net/changelogs/woocommerce-help-scout/changelog.txtRelease Notes, Third Party Advisory
https://wpscan.com/vulnerability/cf9305e8-f5bc-45c3-82db-0ef00fd46129Exploit, Third Party Advisory

Timeline

Published: Apr 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24212?

How severe is CVE-2021-24212?

CVE-2021-24212 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 7.91% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24212?

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-2021-24212?

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

Scan your code now

Source: NVD / NIST