[ CVE-2026-81740 · Published 2 Oct 2026 ]

Vulnerability in Unknown Paytm Payment Gateway

CVSS 5.3 EPSS <1%No fix listed yet

[ Description ]Official description

The Paytm Payment Gateway WordPress plugin before 2.8.9 does not verify that payment callbacks genuinely originate from the payment provider when its secret key has not been configured, which is its state immediately after activation, allowing unauthenticated attackers to change the status of arbitrary orders, including marking unpaid orders as paid and reducing stock.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.