CVE-2026-2892
HighSummary
Wtyczka Otter Blocks dla WordPressa jest podatna na obejście weryfikacji zakupu we wszystkich wersjach do 3.1.4 włącznie. Problem wynika z metody 'get_customer_data', która polega na niesigned 'o_stripe_data' cookie do określenia własności produktu Stripe dla nieautoryzowanych użytkowników.
Risk Assessment
Nieautoryzowani atakujący mogą ominąć warunki widoczności treści zabezpieczonej zakupem Stripe, co może prowadzić do nieautoryzowanego dostępu do płatnych treści. To stwarza ryzyko utraty przychodów oraz naruszenia zasad bezpieczeństwa danych.
Recommendation
Zaleca się aktualizację wtyczki Otter Blocks do najnowszej wersji, aby usunąć tę podatność. Dodatkowo, warto wdrożyć dodatkowe mechanizmy weryfikacji serwerowej dla danych cookie związanych z zakupami.
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Original NVD description (English source)
The Otter Blocks plugin for WordPress is vulnerable to Purchase Verification Bypass in all versions up to, and including, 3.1.4. This is due to the 'get_customer_data' method relying on an unsigned 'o_stripe_data' cookie to determine Stripe product ownership for unauthenticated users. The 'check_purchase' method trusts this cookie data without performing server-side verification against the Stripe API for one-time 'payment' mode purchases. This makes it possible for unauthenticated attackers to bypass Stripe purchase-gated content visibility conditions by forging the 'o_stripe_data' cookie with a target product ID, which is publicly exposed in the checkout block's HTML source.

