CVE-2026-40770
Deferred Deferred - Pending Action
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
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Meta Information
Published
2026-06-15
Last Modified
2026-06-15
Generated
2026-06-16
AI Q&A
2026-06-16
EPSS Evaluated
N/A
NVD
CVE-2026-40770
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
coupon_affiliates coupon_affiliates to 7.5.3 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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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.
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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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