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CVE-2022-37620

25
FAUCET Score

CVE-2022-37620 is a Regular Expression Denial of Service (ReDoS) vulnerability in kangax html-minifier and related projects, stemming from a flaw in the reCustomIgnore regular expression. Rated 7.5 HIGH (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H), it allows unauthenticated attackers to cause a denial of service with low attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.2.0CPE matchmatch criteria
cpe:2.3:a:terser:html-minifier-terser:*:*:*:*:*:node.js:*:*
<= 4.0.0CPE matchmatch criteria
cpe:2.3:a:kangax:html-minifier:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 40th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

npmGHSA-pfq8-rq6v-vf5mhigh

kangax html-minifier REDoS vulnerability

Oct 31, 2022

References

github.com / kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js
Product
github.com / kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js
Product
github.com / kangax/html-minifier/issues/1135
Issue TrackingMitigationThird Party Advisory
security.snyk.io / vuln/SNYK-JS-HTMLMINIFIER-3091181