CVE-2021-24741

Name: CVE-2021-24741
Creator: NVD / NIST
Published: 2021-09-20T10:15:09.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 5.52%

Last modified Jun 17, 2026

CVE-2021-24741 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Support Board WordPress plugin before 3.3.4 does not escape multiple POST parameters (such as status_code, department, user_id, conversation_id, conversation_status_code, and recipient_id) before using them in SQL statements, leading to SQL injections which are exploitable by unauthenticated users.. EPSS estimates a 5.52% chance of exploitation in the next 30 days.

Description

The Support Board WordPress plugin before 3.3.4 does not escape multiple POST parameters (such as status_code, department, user_id, conversation_id, conversation_status_code, and recipient_id) before using them in SQL statements, leading to SQL injections which are exploitable by unauthenticated users.

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

5.52%

91.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Schiocco	Support Board - Chat And Help Desk	< 3.3.4

References

https://board.support/changesRelease Notes, Vendor Advisory
https://medium.com/%40lijohnjefferson/multiple-sql-injection-unauthenticated-in-support-board-v-3-3-3-3e9b4214a4f9
https://wpscan.com/vulnerability/ccf293ec-7607-412b-b662-5e237b8690caExploit, Third Party Advisory
https://board.support/changesRelease Notes, Vendor Advisory
https://medium.com/%40lijohnjefferson/multiple-sql-injection-unauthenticated-in-support-board-v-3-3-3-3e9b4214a4f9
https://wpscan.com/vulnerability/ccf293ec-7607-412b-b662-5e237b8690caExploit, Third Party Advisory

Timeline

Published: Sep 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24741?

How severe is CVE-2021-24741?

CVE-2021-24741 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24741?

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-2021-24741?

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

Scan your code now

Source: NVD / NIST