Product Gallery Slider for WooCommerce 2.3.23 before 2.3.26 Missing Authorization via Codestar AJAX

Summary

Product Gallery Slider & Additional Variation Images for WooCommerce 2.3.23 before 2.3.26 contains a missing authorization vulnerability in Codestar backup AJAX actions csf-export, csf-import and csf-reset. Shop Managers can read the csf_backup_nonce from the settings page and supply arbitrary option names via the 'unique' parameter to read, overwrite or delete WordPress options, including modifying wp_user_roles to escalate to administrator.

Remediation

1. Inventory every Codeixer Product Gallery Slider & Additional Variation Images for WooCommerce deployment, including staging.
2. Upgrade Codeixer Product Gallery Slider & Additional Variation Images for WooCommerce to 2.3.26.
3. Confirm the running version after the upgrade.

References

• Patchhttps://downloads.wordpress.org/plugin/woo-product-gallery-slider.2.3.26.zip
• Patchhttps://plugins.svn.wordpress.org/woo-product-gallery-slider/tags/2.3.26/includes/cdx-framework/functions/actions.php
• Advisoryhttps://www.vulncheck.com/advisories/product-gallery-slider-for-woocommerce-2.3.23-before-2.3.26-missing-authorization-via-codestar-ajax
• Referencehttps://plugins.svn.wordpress.org/woo-product-gallery-slider/tags/2.3.25/includes/codestar/functions/actions.php
• Referencehttps://plugins.svn.wordpress.org/woo-product-gallery-slider/tags/2.3.25/src/Options.php
• Referencehttps://wordpress.org/plugins/woo-product-gallery-slider/#developers