CVE-2020-23774

MEDIUM 6.1CVE-2020-23774 · Published 26/01/2021 · updated 17/06/2026

In short

CVE-2020-23774 is a MEDIUM (CVSS 6.1) vulnerability affecting winmail (winmail project).
Chance of exploitation in the next 30 days (EPSS): 0.61%, higher than 49.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
winmail winmail_project	`= 6.5`	No fix yet

A reflected XSS vulnerability exists in tohtml/convert.php of Winmail 6.5, which can cause JavaScript code to be executed.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.