CVE-2022-21222

Regular Expression Denial of Service (ReDoS)

Published: Sep 30, 2022Updated: May 20, 2025 Sources: CVE List NVD GHSACWE-1333

5.3MEDIUM

Description

The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:LAvailability

Low

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Weaknesses

CWE-1333

Affected Products

package-ecosystem

oss-projectaka css-what

css-whatLibrary

OSS Libraries / generic-library

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Impact

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References

https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488

security.snyk.io

https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12

github.com

https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html

lists.debian.org

and 4 more references View all →

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Exploit details & PoC links

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