Nvu 0.99+1.0pre uses an old copy of Mozilla XPCOM which can result in multiple security issues.
https://security-tracker.debian.org/tracker/CVE-2005-2354
http://www.attrition.org/pipermail/vim/2014-February/002758.html
Source: Mitre, NVD
Published: 2019-11-05
Updated: 2019-11-08
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.0051