markdown-it before 4.1.0 does not block data: URLs.
https://github.com/markdown-it/markdown-it/commit/f76d3beb46abd121892a2e2e5c78376354c214e3
http://www.securityfocus.com/bid/71824
http://www.openwall.com/lists/oss-security/2015/04/10/10
Source: Mitre, NVD
Published: 2017-06-07
Updated: 2026-05-13
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.0058
