CVE-2022-37620 json
kangax html-minifier REDoS vulnerability
published 2022-10-31 4 y ago modified 2026-09-10 1 mo ago also GHSA-pfq8-rq6v-vf5m , EUVD-2022-7144
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
A Regular Expression Denial of Service (ReDoS) flaw was found in kangax html-minifier 4.0.0 because of the reCustomIgnore regular expression.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | html-minifier | <=4.0.0 |
no fix listed |
Classification
References
-
github.com
/kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js#L1338
web, product
-
github.com
/kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js#L294
web, product
-
github.com
/kangax/html-minifier/issues/1135
web, issue-tracking, mitigation, third-party-advisory
-
security.snyk.io
/vuln/SNYK-JS-HTMLMINIFIER-3091181
web
-
nvd.nist.gov
/vuln/detail/CVE-2022-37620
advisory
-
github.com
/kangax/html-minifier
package
Sources
- CVE List CVE-2022-37620
- GitHub Advisory GHSA-pfq8-rq6v-vf5m
- NVD CVE-2022-37620
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