CVE-2026-12493 Clover Payment Gateway by Zaytech for WooCommerce < 1.3.6 - Unauthenticated Payment Bypass via check_order
Unauthenticated attackers can mark arbitrary orders as paid by replaying valid payment references, bypassing payment verification in the Clover WooCommerce plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-12493?
CVE-2026-12493 is a high-severity vulnerability in Unknown Clover Payment Gateway by Zaytech for WooCommerce, published on 27 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Clover Payment Gateway by Zaytech for WooCommerce WordPress plugin before 1.3.6 does not verify that an approved external payment record actually belongs to the WooCommerce order being completed, nor that the paid amount matches the order total, allowing unauthenticated users to mark arbitrary orders as paid by replaying a single genuinely-approved payment reference (for example one obtained from their own minimal purchase).
Weakness: CWE-287
Which versions are affected by CVE-2026-12493?
How do I fix CVE-2026-12493?
No fix has been published for CVE-2026-12493 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-12493 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12493 exists.
Sources
Also known as GHSA-c2pq-vc2r-qrj3.