---
id: CVE-2026-81809
title: >-
  The Paytm Payment Gateway WordPress plugin before 2.8.9 does not properly
  escape data taken from payment callbacks before using it in a SQL statement,
  and the integrity check on those callbacks can be forged when the gateway is
  enabled w…
summary: >-
  The Paytm Payment Gateway WordPress plugin before 2.8.9 does not properly
  escape data taken from payment callbacks before using it in a SQL statement,
  and the integrity check on those callbacks can be forged when the gateway is
  enabled w…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N'
cwe:
  - CWE-89
product: Paytm Payment Gateway
affected:
  - paytm_payment_gateway < 2.8.9
published: '2026-10-01'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T13:11:52.923'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81809'
references:
  - url: 'https://wpscan.com/vulnerability/10f2d49e-94e4-4e49-b32f-c1c75c2c6364/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-01T10:44:35.808086Z'
ingestedAt: '2026-10-01T06:38:44.650Z'
---

## Overview

The Paytm Payment Gateway WordPress plugin before 2.8.9 does not properly escape data taken from payment callbacks before using it in a SQL statement, and the integrity check on those callbacks can be forged when the gateway is enabled without credentials, allowing unauthenticated users to perform SQL injection attacks.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.