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CVE-2020-26307

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Date: October 26, 2024

HTML2Markdown is a Javascript implementation for converting HTML to Markdown text. All available versions contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available.

Language: JS

Severity Score

Related Resources (4)

https://github.com/kates/html2markdown/issues/13
https://nvd.nist.gov/vuln/detail/CVE-2020-26307
https://securitylab.github.com/advisories/GHSL-2020-301-redos-HTML2Markdown/
https://www.mend.io/vulnerability-database/CVE-2020-26307

Severity Score

Weakness Type (CWE)

Inefficient Regular Expression Complexity

CWE-1333

CVSS v3.1

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

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