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CVE-2020-36649— mholt PapaParse papaparse.js redos

Quick assessment

Affected

mholt PapaParse

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

mholt PapaParse是个人开发者的一个CSV（分隔文本）解析器。 mholt PapaParse 5.1.x版本及之前版本存在安全漏洞。攻击者利用该漏洞导致低效的正则表达式复杂性。

CVSS 3.5 · Low EPSS 1.43% · P73 Updated Jan 25, 2025

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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I. Basic Information for CVE-2020-36649

Vulnerability Information

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Vulnerability Title

mholt PapaParse papaparse.js redos

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was found in mholt PapaParse up to 5.1.x. It has been classified as problematic. Affected is an unknown function of the file papaparse.js. The manipulation leads to inefficient regular expression complexity. Upgrading to version 5.2.0 is able to address this issue. The name of the patch is 235a12758cd77266d2e98fd715f53536b34ad621. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-218004.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

CWE-1333

Source: CVE Program / CVE List V5

Vulnerability Title

mholt PapaParse 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
mholt	PapaParse	5.0	-

II. Public POCs for CVE-2020-36649

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2020-36649

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Patches & Fixes for CVE-2020-36649 (2)

https://github.com/mholt/PapaParse/pull/779 issue-tracking
https://github.com/mholt/PapaParse/commit/235a12758cd77266d2e98fd715f53536b34ad621 patch

Vendor Advisories for CVE-2020-36649 (2)

https://vuldb.com/?id.218004 vdb-entry technical-description
https://vuldb.com/?ctiid.218004 signature permissions-required

Other References for CVE-2020-36649 (2)

https://github.com/mholt/PapaParse/releases/tag/5.2.0 patch
https://github.com/mholt/PapaParse/issues/777 issue-tracking

https://www.cve.org/CVERecord?id=CVE-2020-36649

IV. Related Vulnerabilities

Same weakness: CWE-1333