CVE-2024-21535

MEDIUM EPSS 39.2%
Published Oct 15, 20241y ago · Modified Jun 17, 20261w ago
6.1 CVSS 3.1
Medium
Find Similar
Published Oct 15, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

Versions of the package markdown-to-jsx before 7.4.0 are vulnerable to Cross-site Scripting (XSS) via the src property due to improper input sanitization. An attacker can execute arbitrary code by injecting a malicious iframe element in the markdown.

CVSS Details

Base Score
6.1
Exploitability
2.8
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
39.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
quantizormarkdown-to-jsx* <7.4.0

References 2

  • github.com https://github.com/quantizor/markdown-to-jsx/commit/8eb74da825c0d8d2e9508d73c672bcae36ba555a
    Patch
  • security.snyk.io https://security.snyk.io/vuln/SNYK-JS-MARKDOWNTOJSX-6258886
    Third Party Advisory

Remediation

  • github.com https://github.com/quantizor/markdown-to-jsx/commit/8eb74da825c0d8d2e9508d73c672bcae36ba555a
    Patch