CVE-2023-6555: i13websolution Email Subscription Popup

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

The Email Subscription Popup WordPress plugin before 1.2.20 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Affected products

• i13websolution Email Subscription Popup: before 1.2.20 (fixed in 1.2.20)

Published 2024-01-08. Last modified 2026-06-17.