Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 42.4%
CVSS Severity
CVSS v3 Score 5.3
References
- https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12
- https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html
- https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488
- https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12
- https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html
- https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488
Products affected by CVE-2022-21222
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cpe:2.3:a:css-what_project:css-what:0.4.3
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cpe:2.3:a:css-what_project:css-what:0.4.4
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cpe:2.3:a:css-what_project:css-what:0.4.5
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cpe:2.3:a:css-what_project:css-what:0.4.6
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cpe:2.3:a:css-what_project:css-what:0.4.7
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cpe:2.3:a:css-what_project:css-what:0.4.8
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cpe:2.3:a:css-what_project:css-what:2.0.0
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cpe:2.3:a:css-what_project:css-what:2.0.1
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cpe:2.3:a:css-what_project:css-what:2.0.2
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cpe:2.3:a:css-what_project:css-what:2.1.0
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cpe:2.3:a:css-what_project:css-what:2.1.2