CVE-2021-24157

Name: CVE-2021-24157
Creator: NVD / NIST
Published: 2021-04-05T19:15:14.873+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2021-24157 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Orbit Fox by ThemeIsle has a feature to add custom scripts to the header and footer of a page or post. There were no checks to verify that a user had the unfiltered_html capability prior to saving the script tags, thus allowing lower-level users to inject scripts that could potentially be malicious.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

Orbit Fox by ThemeIsle has a feature to add custom scripts to the header and footer of a page or post. There were no checks to verify that a user had the unfiltered_html capability prior to saving the script tags, thus allowing lower-level users to inject scripts that could potentially be malicious.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.69%

48.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Themeisle	Orbit Fox	< 2.10.3

References

https://wpscan.com/vulnerability/28e42f4e-e38a-4bf4-b51b-d8f21c40f037Exploit, Third Party Advisory
https://www.wordfence.com/blog/2021/01/multiple-vulnerabilities-patched-in-orbit-fox-by-themeisle-plugin/Exploit, Third Party Advisory
https://wpscan.com/vulnerability/28e42f4e-e38a-4bf4-b51b-d8f21c40f037Exploit, Third Party Advisory
https://www.wordfence.com/blog/2021/01/multiple-vulnerabilities-patched-in-orbit-fox-by-themeisle-plugin/Exploit, Third Party Advisory

Timeline

Published: Apr 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24157?

How severe is CVE-2021-24157?

CVE-2021-24157 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24157?

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-2021-24157?

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

Scan your code now

Source: NVD / NIST