Laposta WooCommerce
Laposta WooCommerce has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it is fixed as of September 2026. Their average CVSS score is 4.4, and the most serious one scores 4.4 out of 10.
The most common weakness is Cross-Site Scripting, behind 1 of the records (100%).
The one issue recorded for Laposta WooCommerce has a vendor fix available, so running the current release closes it.
All of these findings were reported by Nabil Irawan. Laposta WooCommerce is installed on roughly 500 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.1.
CVE-2025-49434Laposta WooCommerce <= 1.9.1 - Authenticated (Administrator+) Stored Cross-Site Scripting
Read the full analysisVulnerability Records

Laposta WooCommerce
Author
stijnvanderree
Laposta is a Dutch emailmarketing solution. Use this plugin to add an optin checkbox to your checkout, so your customers can subscribe to your newsletter. On PHP 8.1 and newer, the plugin uses the Laposta API v2 wrapper for compatibility. Checkout Block integration is available with WooCommerce 8.9 and newer. Earlier WooCommerce versions continue to use the classic checkout integration. Developer filter The Checkout Block renders all fields registered for the order location inside its Additional information section. The section itself can be moved in the block editor. Developers can influence the Laposta field’s relative order within that section with the laposta_woocommerce_checkout_block_field_priority filter. Lower values register the field earlier; the default is 10: add_filter( 'laposta_woocommerce_checkout_block_field_priority', function() { return 5; } ); This filter only influences the Laposta field relative to other registered order fields. It does not move the Additional information section or provide an absolute position when another extension uses the same priority.
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