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5.9

Subscribe to Comments <= 2.3.1: Unauthorized Script Execution

CVE-2026-66706 · published 3 months ago
Summary

A security issue in Subscribe to Comments software could allow an attacker to inject malicious code into a website, potentially stealing user data or taking control of the site. This affects websites using Subscribe to Comments version 2.3.1 or earlier. To fix this, update to the latest version of Subscribe to Comments.

Original advisory text
Author Cross Site Scripting (XSS) in Subscribe to Comments <= 2.3.1 versions.
Author Cross Site Scripting (XSS) in Subscribe to Comments <= 2.3.1 versions.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.9 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published6 Aug 2026
Updated4 Nov 2026
First seen6 Aug 2026
Sources
CVE-2026-66706 · NVD
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