CVE-2021-42367: Variation Swatches for WooCommerce <= 2.1.1 Authenticated Stored Cross-Site Scripting
Vulnerability summary
CVE-2021-42367 is a medium (CVSS 6.4) Missing Authorization vulnerability in variation_swatches_for_woocommerce_project variation_swatches_for_woocommerce. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.1% of scored vulnerabilities.
Timeline
- 14-12-2021PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.53% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Affected systems
Variation swatches for woocommerce1 product
Variation_swatches_for_woocommerce_project1 product
Wordpress1 product
- product-variation-swatches-for-woocommerce≤ 2.1.1 (fixed in 2.1.2)
3 vendors · 3 products