CVE-2021-24492

Name: CVE-2021-24492
Creator: NVD / NIST
Published: 2021-08-02T11:15:10.907+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.60%

Last modified Jun 17, 2026

CVE-2021-24492 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The hndtst_action_instance_callback AJAX call of the Handsome Testimonials & Reviews WordPress plugin before 2.1.1, available to any authenticated users, does not sanitise, validate or escape the hndtst_previewShortcodeInstanceId POST parameter before using it in a SQL statement, leading to an SQL Injection issue.. EPSS estimates a 1.60% chance of exploitation in the next 30 days.

Description

The hndtst_action_instance_callback AJAX call of the Handsome Testimonials & Reviews WordPress plugin before 2.1.1, available to any authenticated users, does not sanitise, validate or escape the hndtst_previewShortcodeInstanceId POST parameter before using it in a SQL statement, leading to an SQL Injection issue.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.60%

72.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Handsome Testimonials \& Reviews Project	Handsome Testimonials \& Reviews	< 2.1.1

References

https://codevigilant.com/disclosure/2021/wp-plugin-handsome-testimonials/Exploit, Patch, Third Party Advisory
https://wpscan.com/vulnerability/42760007-0e59-4d45-8d64-86bc0b8daceaExploit, Third Party Advisory
https://codevigilant.com/disclosure/2021/wp-plugin-handsome-testimonials/Exploit, Patch, Third Party Advisory
https://wpscan.com/vulnerability/42760007-0e59-4d45-8d64-86bc0b8daceaExploit, Third Party Advisory

Timeline

Published: Aug 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24492?

How severe is CVE-2021-24492?

CVE-2021-24492 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24492?

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-2021-24492?

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

Scan your code now

Source: NVD / NIST