Showdownjs Showdown vulnerabilities

2 vulnerabilities

Known vulnerabilities in Showdownjs Showdown, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

5.3CVE-2024-1899chainguardopensearch-dashboards-2-dashboards-reporting+8
EPSS score
0.81%
An issue in the anchors subparser of Showdownjs versions <= 2.1.0 could allow a remote attacker to cause denial of service conditions.6.1CVE-2026-104477showdownjsshowdown
EPSS score
0.19%
Showdown through 2.1.0 contains a cross-site scripting vulnerability in the makehtml link and image subparsers, which fail to escape double quotes in destination URLs placed into href and src attributes. Attackers can craft markdown links or images containing a double quote followed by onerror or onmouseover handlers to execute script when victims view rendered HTML.