Omnisend for WooCommerce <= 1.18.0 - Unauthenticated Omnisend Account Takeover via Predictable Connect Token
The Omnisend for WooCommerce plugin for WordPress is vulnerable to an unauthenticated account takeover via insufficiently random values in versions up to, and including, 1.18.0. This is due to the generate_install_url() function deriving the OAuth connect token solely from the Unix timestamp at page-load time (hash('sha256', time())), which yields only ~86,400 distinct values per day and is trivially brute-forceable. This makes it possible for unauthenticated attackers to predict the connect token, authenticate to the POST /wp-json/omnisend-api/v1/connect REST endpoint, and replace the store's omnisend_api_key and brand_id with attacker-supplied values, redirecting all customer PII synchronization, order webhooks, and marketing communications to the attacker's Omnisend account.
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| Platforma | Paczka | Podatne wersje | Poprawka w wersji |
|---|---|---|---|
| Wtyczka WordPress | Email Marketing for WooCommerce by Omnisend | <= 1.18.0 | 1.18.1 |
Odnośniki
- Wektor CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Słabość (CWE)
CWE-330- Platforma
- WordPress
- Paczka
Email Marketing for WooCommerce by Omnisend- Ujawniono
- 13.05.2026
- Aktualizacja
- 11.10.2026 10:22
Źródła i licencje
Wordfence Intelligence - 092061a5-5315-4401-8503-6153f660acdc - Wordfence Intelligence
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Historia podatności: Email Marketing for WooCommerce by Omnisend
Wszystkie opisane podatności tej paczki (Wtyczka WordPress), od najnowszej. Widać, czy to jednorazowa wpadka, czy paczka, której trzeba pilnować.
- Wszystkich wpisów
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- 11.2023 06.2026
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Rozkład istotności
- Wysoka 1
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Ujawnienia w latach
- 2023: 1
- 2024: 1
- 2025: 0
- 2026: 2
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Omnisend for WooCommerce <= 1.18.0 - Unauthenticated Omnisend Account Takeover via Predictable Connect Token ten wpis
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