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CVE-2024-21535

Good to know:

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Date: October 15, 2024

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.

Language: TYPE_SCRIPT

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2024-21535
https://github.com/quantizor/markdown-to-jsx
https://github.com/quantizor/markdown-to-jsx/commit/8eb74da825c0d8d2e9508d73c672bcae36ba555a
https://security-tracker.debian.org/tracker/CVE-2024-21535
https://www.mend.io/vulnerability-database/CVE-2024-21535

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Top Fix

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Upgrade Version

Upgrade to version markdown-to-jsx - 7.4.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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