Cross-site Scripting Vulnerability in Payflex Payment Gateway by Tomlister
CVE-2026-103346

7.1HIGH

Key Information:

Vendor

WordPress
Status
Payflex Payment Gateway
Vendor
CVE Published:
6 October 2026

What is CVE-2026-103346?

The Payflex Payment Gateway, developed by Tomlister, is susceptible to a Cross-site Scripting (XSS) vulnerability due to improper neutralization of input during web page generation. This Reflective XSS flaw allows attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized actions and theft of sensitive information. Affected versions include all prior to 2.7.1, highlighting the need for users to upgrade to secure their web transactions.

Affected Version(s)

Payflex Payment Gateway 0 <= 2.7.1

References

https://patchstack.com/database/wordpress/plugin/payflex-...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack)
.