Unauthenticated XSS in Coupon Affiliates

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description

Unauthenticated Cross Site Scripting (XSS) in Coupon Affiliates <= 7.5.3 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-15

Last Modified

2026-06-15

Generated

2026-07-06

AI Q&A

2026-06-16

EPSS Evaluated

2026-07-04

NVD

CVE-2026-40770

Affected Vendors & Products

Vendor	Product	Version / Range
coupon_affiliates	coupon_affiliates	to 7.5.3 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Impact Analysis

Exploitation of this vulnerability can lead to several impacts including the execution of malicious scripts in the context of the victim's browser.

Potential theft of user credentials or session tokens.
Manipulation or defacement of website content.
Possible redirection to malicious websites.
Impact on confidentiality, integrity, and availability as indicated by the CVSS score.

Executive Summary

This vulnerability is an Unauthenticated Cross Site Scripting (XSS) issue found in Coupon Affiliates versions up to and including 7.5.3.

Cross Site Scripting (XSS) allows attackers to inject malicious scripts into web pages viewed by other users. Being unauthenticated means the attacker does not need to log in or have any privileges to exploit this vulnerability.

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