What is CVE-2026-81809?

CVE-2026-81809 is a high-severity vulnerability in Paytm Payment Gateway, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-10-01.

How severe is CVE-2026-81809?

High severity. CVSS v3 base score is 7.5 out of 10.

SQL Injection in Paytm Payment Gateway

CVE-2026-81809

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.

Vulnerability class: SQL Injection

Published 2026-10-01 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Paytm Payment Gateway

Weakness classification (CWE)

CWE-89 — SQL Injection

References

wpscan.com/vulnerability/10f2d49e-94e4-4e49-b32f-c1c75c2c6364/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-81809?: CVE-2026-81809 is a high-severity vulnerability in Paytm Payment Gateway, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-10-01.
How severe is CVE-2026-81809?: High severity. CVSS v3 base score is 7.5 out of 10.