Paytm Payment Gateway < 2.8.9 - Unauthenticated Order Status Manipulation via Payment Callback
Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
cve-program · CVE-2026-81740
PublishedThe 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.
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-81740
PublishedPaytm Payment Gateway < 2.8.9 - Unauthenticated Order Status Manipulation via Payment Callback
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.
- Source published
- 2 Oct 2026 06:00:24 UTC
- Source modified
- 2 Oct 2026 10:54:12 UTC
- Saved here
- 23 Oct 2026 15:48:27 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.