Showdown
CVE-2024-1899
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Primary rating from Vendor (tenable) · only source for this CVE.
CVSS VectorVendor: tenable
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Lifecycle Timeline
1Blast Radius
ecosystem impact- 942 npm packages depend on showdown (466 direct, 486 indirect)
Ecosystem-wide dependent count for version 2.1.0.
DescriptionCVE.org
An issue in the anchors subparser of Showdownjs versions <= 2.1.0 could allow a remote attacker to cause denial of service conditions.
AnalysisAI
An issue in the anchors subparser of Showdownjs versions <= 2.1.0 could allow a remote attacker to cause denial of service conditions. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-674. An issue in the anchors subparser of Showdownjs versions <= 2.1.0 could allow a remote attacker to cause denial of service conditions. Affected products include: Showdownjs Showdown.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Stored cross-site scripting in the showdown JavaScript Markdown-to-HTML library allows an unauthenticated attacker to in
Cross-site scripting in Showdown (all versions ≤ 2.1.0) allows network-accessible injection of arbitrary HTML and JavaSc
Same weakness CWE-674 – Uncontrolled Recursion
View allSame technique Denial Of Service
View allShare
External POC / Exploit Code
Leaving vuln.today