CVE-2021-24823

Name: CVE-2021-24823
Creator: NVD / NIST
Published: 2022-02-28T09:15:07.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2021-24823 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. The Support Board WordPress plugin before 3.3.6 does not have any CSRF checks in actions handled by the include/ajax.php file, which could allow attackers to make logged in users do unwanted actions. For example, make an admin delete arbitrary files. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

The Support Board WordPress plugin before 3.3.6 does not have any CSRF checks in actions handled by the include/ajax.php file, which could allow attackers to make logged in users do unwanted actions. For example, make an admin delete arbitrary files

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

0.54%

41.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Schiocco	Support Board	< 3.3.6

References

https://noob3xploiter.medium.com/support-board-3-3-4-arbitrary-file-deletion-to-remote-code-execution-da4c45b45c83Exploit, Third Party Advisory
https://wpscan.com/vulnerability/1bdebd9e-a7f2-4f55-b5b0-185eb619ebafExploit, Third Party Advisory
https://noob3xploiter.medium.com/support-board-3-3-4-arbitrary-file-deletion-to-remote-code-execution-da4c45b45c83Exploit, Third Party Advisory
https://wpscan.com/vulnerability/1bdebd9e-a7f2-4f55-b5b0-185eb619ebafExploit, Third Party Advisory

Timeline

Published: Feb 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24823?

How severe is CVE-2021-24823?

CVE-2021-24823 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24823?

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-2021-24823?

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

Scan your code now

Source: NVD / NIST