CVE-2026-81809

Paytm Payment Gateway < 2.8.9 - Unauthenticated SQLi via Payment Callback

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.

Affected

Paytm Payment Gateway

CVSS v3.1 CNA

7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

EPSS

0.18% chance of exploitation in the next 30 days, 8th percentile

Published

2026-10-01

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/10f2d49e-94e4-4e49-b32f-c1c75c2c6364/

References

• CVE Record
• NVD entry