CVE-2018-19057

Name of the Vulnerable Software and Affected Versions SimpleMDE version 1.11.2

Description The issue concerns a mishandling of certain input characters, specifically [ and (, during the construction of an A element, and an onerror attribute of a crafted IMG element. This can lead to XSS.

Recommendations For SimpleMDE version 1.11.2, consider disabling the handling of [ and ( characters in input until a patch is available. Restrict access to the A element construction and IMG element handling to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.