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    CVE-2026-81740

    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.

    Published:Oct 2, 2026
    Last Modified:Oct 2, 2026
    EPS:Oct 2, 2026
    EPSS Score:0.00136
    CVSS Score:5.3

    Affected Products

    Vendor
    Paytm
    Product
    Payment Gateway
    Vendor
    Wordpress-extensions
    Product
    Paytm Payment Gateway

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High