CVE-2021-42367

Name: CVE-2021-42367
Creator: NVD / NIST
Published: 2021-12-14T16:15:09.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2021-42367 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Variation Swatches for WooCommerce WordPress plugin is vulnerable to Stored Cross-Site Scripting via several parameters found in the ~/includes/class-menu-page.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.1.1. Due to missing authorization checks on the tawcvs_save_settings function, low-level authenticated users such as subscribers can exploit this vulnerability.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

The Variation Swatches for WooCommerce WordPress plugin is vulnerable to Stored Cross-Site Scripting via several parameters found in the ~/includes/class-menu-page.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.1.1. Due to missing authorization checks on the tawcvs_save_settings function, low-level authenticated users such as subscribers can exploit this vulnerability.

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

0.53%

40.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Variation Swatches For Woocommerce Project	Variation Swatches For Woocommerce	<= 2.1.1

References

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2634227%40variation-swatches-for-woocommerce&new=2634227%40variation-swatches-for-woocommerce&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42367Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2634227%40variation-swatches-for-woocommerce&new=2634227%40variation-swatches-for-woocommerce&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42367Third Party Advisory

Timeline

Published: Dec 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42367?

How severe is CVE-2021-42367?

CVE-2021-42367 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42367?

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-2021-42367?

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

Scan your code now

Source: NVD / NIST