CVE-2021-24995

Name: CVE-2021-24995
Creator: NVD / NIST
Published: 2022-03-14T15:15:08.867+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2021-24995 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The HTML5 Responsive FAQ WordPress plugin through 2.8.5 does not properly sanitise and escape some of its settings, which could allow a high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

The HTML5 Responsive FAQ WordPress plugin through 2.8.5 does not properly sanitise and escape some of its settings, which could allow a high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html 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

0.59%

43.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Html5 Responsive Faq Project	Html5 Responsive Faq	< 2.8.5

References

https://wpscan.com/vulnerability/3caf0de0-57f2-4c87-8713-d00a7db9eeefExploit, Third Party Advisory
https://wpscan.com/vulnerability/3caf0de0-57f2-4c87-8713-d00a7db9eeefExploit, Third Party Advisory

Timeline

Published: Mar 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24995?

How severe is CVE-2021-24995?

CVE-2021-24995 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24995?

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-2021-24995?

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

Scan your code now

Source: NVD / NIST