CVE-2021-24623

Name: CVE-2021-24623
Creator: NVD / NIST
Published: 2021-09-13T18:15:17.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2021-24623 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The WordPress Advanced Ticket System, Elite Support Helpdesk WordPress plugin before 1.0.64 does not sanitize or escape form values before saving to the database or when outputting, which allows high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

The WordPress Advanced Ticket System, Elite Support Helpdesk WordPress plugin before 1.0.64 does not sanitize or escape form values before saving to the database or when outputting, which allows high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.60%

44.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Ticket-System	Wordpress Advanced Ticket System	< 1.0.64

References

https://wpscan.com/vulnerability/41d9027c-a982-44c7-889e-721333496b5cExploit, Third Party Advisory
https://wpscan.com/vulnerability/41d9027c-a982-44c7-889e-721333496b5cExploit, Third Party Advisory

Timeline

Published: Sep 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24623?

How severe is CVE-2021-24623?

CVE-2021-24623 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24623?

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-2021-24623?

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

Scan your code now

Source: NVD / NIST