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.

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Fixes

Solution

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Workaround

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History

Fri, 02 Oct 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title Paytm Payment Gateway < 2.8.9 - Unauthenticated Order Status Manipulation via Payment Callback
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-02T06:00:24.014Z

Reserved: 2026-08-27T11:47:22.935Z

Link: CVE-2026-81740

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-02T06:16:41.450

Modified: 2026-10-02T06:16:41.450

Link: CVE-2026-81740

cve-icon Redhat

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cve-icon OpenCVE Enrichment

Updated: 2026-10-02T07:30:07Z

Weaknesses

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