CVE-2021-24236

Name: CVE-2021-24236
Creator: NVD / NIST
Published: 2021-05-06T13:15:11.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 7.14%

Last modified Jun 17, 2026

CVE-2021-24236 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Imagements WordPress plugin through 1.2.5 allows images to be uploaded in comments, however only checks for the Content-Type in the request to forbid dangerous files. This allows unauthenticated attackers to upload arbitrary files by using a valid image Content-Type along with a PHP filename and code, leading to RCE.. EPSS estimates a 7.14% chance of exploitation in the next 30 days.

Description

The Imagements WordPress plugin through 1.2.5 allows images to be uploaded in comments, however only checks for the Content-Type in the request to forbid dangerous files. This allows unauthenticated attackers to upload arbitrary files by using a valid image Content-Type along with a PHP filename and code, 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

7.14%

93.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Imagements Project	Imagements	<= 1.2.5

References

https://wpscan.com/vulnerability/8f24e74f-60e3-4100-9ab2-ec31b9c9cdeaExploit, Third Party Advisory
https://wpscan.com/vulnerability/8f24e74f-60e3-4100-9ab2-ec31b9c9cdeaExploit, Third Party Advisory

Timeline

Published: May 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24236?

How severe is CVE-2021-24236?

CVE-2021-24236 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 7.14% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24236?

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-2021-24236?

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

Scan your code now

Source: NVD / NIST