CVE-2021-42363

Name: CVE-2021-42363
Creator: NVD / NIST
Published: 2021-11-19T16:15:07.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2021-42363 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Preview E-Mails for WooCommerce WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the search_order parameter found in the ~/views/form.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.6.8.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

The Preview E-Mails for WooCommerce WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the search_order parameter found in the ~/views/form.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.6.8.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.13%

62.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Preview E-Mails For Woocommerce Project	Preview E-Mails For Woocommerce	<= 1.6.8

References

https://plugins.trac.wordpress.org/changeset/2625941/woo-preview-emails/trunk/views/form.phpPatch, Third Party Advisory
https://www.wordfence.com/blog/2021/11/woocommerce-extension-reflected-xss-vulnerability/Exploit, Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42363Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2625941/woo-preview-emails/trunk/views/form.phpPatch, Third Party Advisory
https://www.wordfence.com/blog/2021/11/woocommerce-extension-reflected-xss-vulnerability/Exploit, Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42363Third Party Advisory

Timeline

Published: Nov 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42363?

How severe is CVE-2021-42363?

CVE-2021-42363 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42363?

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-2021-42363?

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

Scan your code now

Source: NVD / NIST