CVE-2024-1899

5.3 mediumEPSS 0.8%

Medium (5.3) in showdownjs showdown. EPSS 0.8% chance of exploitation in the next 30 days.

An issue in the anchors subparser of Showdownjs versions <= 2.1.0 could allow a remote attacker to cause denial of service conditions.

Severity

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)
CWE: CWE-674
Published: 2024-02-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-rmmh-p597-ppvv	npm	showdown	<=2.1.0	no fix published