Cross Site Scripting Vulnerability in Subscribe to Comments Plugin by WordPress
CVE-2026-66706

5.9MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
6 August 2026

What is CVE-2026-66706?

A Cross Site Scripting (XSS) vulnerability exists in the Subscribe to Comments plugin for WordPress in versions up to 2.3.1. This flaw allows attackers to inject malicious scripts into web pages viewed by unsuspecting users. The plugin fails to properly sanitize user inputs, leading to potential exposure of sensitive information and facilitating phishing attacks. Website administrators are encouraged to update to the latest version to mitigate risks associated with this vulnerability.

Affected Version(s)

Subscribe to Comments <= 2.3.1

References

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.