CVE-2018-19057: Sparksuite Simplemde

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.

Affected products

• Sparksuite Simplemde: version 1.11.2 only

Published 2018-11-07. Last modified 2026-06-17.