Mail Subscribe List vulnerability

What happened

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Richard Leishman Mail Subscribe List mail-subscribe-list allows Stored XSS.This issue affects Mail Subscribe List: from n/a through <= 2.1.10.

Affected versions

Mail Subscribe List: 0 through 2.1.10 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.