CVE-2021-34646: Versions up to, and including, 5.4.3, of the Booster for WooCommerce WordPress plugin are vulnerable to authentication bypass via the process_email_verification function due to a random token generati

critical Affects woocommerce-jetpack (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published 2021-08-30; advisory modified 2026-06-17.

Versions up to, and including, 5.4.3, of the Booster for WooCommerce WordPress plugin are vulnerable to authentication bypass via the process_email_verification function due to a random token generati

Package: woocommerce-jetpack (WordPress plugin) WordPress
Affected versions: <=5.4.3
Fixed in: no fix recorded
Severity: critical CVSS 9.8
Exploitation: not on CISA KEV · EPSS 51% (98.9th percentile)
Published: 2021-08-30
Source: nvd

References

CWE-290 CWE-330

NVD record woocommerce-jetpack (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs How findings are ranked

Related advisories

CVE-2018-20966 medium The woocommerce-jetpack plugin before 3.8.0 for WordPress has XSS in the Products Per Page same package: woocommerce-jetpack (WordPress plugin)
CVE-2024-1986 high The Booster Elite for WooCommerce plugin for WordPress is vulnerable to arbitrary file upl same package: woocommerce-jetpack (WordPress plugin)
CVE-2023-4796 medium The Booster for WooCommerce for WordPress is vulnerable to Information Disclosure via the same package: woocommerce-jetpack (WordPress plugin)
CVE-2024-13342 high The Booster for WooCommerce plugin for WordPress is vulnerable to arbitrary file uploads d same package: woocommerce-jetpack (WordPress plugin)
CVE-2024-13744 high The Booster for WooCommerce plugin for WordPress is vulnerable to arbitrary file uploads d same package: woocommerce-jetpack (WordPress plugin)
CVE-2023-4945 medium The Booster for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Script same package: woocommerce-jetpack (WordPress plugin)