How severe is CVE-2021-42367?

CVE-2021-42367 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-42367 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42367?

CVE-2021-42367 affects Variation Swatches For Woocommerce Project Variation Swatches For Woocommerce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42367?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-42367 published?

CVE-2021-42367 was published on 2021-12-14 and last updated on 2026-06-17.

CVE-2021-42367

CVE-2021-42367 is a medium-severity vulnerability in Variation Swatches For Woocommerce Project Variation Swatches For Woocommerce with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Variation Swatches For Woocommerce Project Variation Swatches For Woocommerce
Published: 2021-12-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-42367?: 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.
How severe is CVE-2021-42367?: CVE-2021-42367 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-42367 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42367?: CVE-2021-42367 affects Variation Swatches For Woocommerce Project Variation Swatches For Woocommerce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42367?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-42367 published?: CVE-2021-42367 was published on 2021-12-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:variation_swatches_for_woocommerce_project:variation_swatches_for_woocommerce:*:*:*:*:*:wordpress:*:*

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