CVE-2022-21222

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.

CVSS v3.0 7.5 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12	Broken Link Third Party Advisory
https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12	Broken Link Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html
https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html
https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488	Exploit Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:css-what_project:css-what:*:*:*:*:*:node.js:*:*

History

20 May 2025, 16:15

Type	Values Removed	Values Added
References	~~(CONFIRM) https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12 - Broken Link, Third Party Advisory~~	() https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12 - Broken Link, Third Party Advisory
References	~~(CONFIRM) https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488 - Exploit, Third Party Advisory~~	() https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488 - Exploit, Third Party Advisory
References	~~(MLIST) https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html -~~	() https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html -

08 Aug 2023, 14:22

Type	Values Removed	Values Added
CWE	~~CWE-400~~	CWE-1333

Information

Published : 2022-09-30 05:15

Updated : 2025-05-20 16:15

NVD link : CVE-2022-21222

Mitre link : CVE-2022-21222

JSON object : View

Products Affected

css-what_project

css-what

CWE

CWE-1333

Inefficient Regular Expression Complexity

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