CVE-2022-37599: webpack.js loader-utils
Vulnerability summary
CVE-2022-37599 is a high (CVSS 7.5) vulnerability in webpack.js loader-utils. EPSS estimates a 2.76% chance of exploitation in the next 30 days, higher than 86.2% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 11-10-2022PublishedVulnerability first disclosed.
- 04-11-2025Last modifiedVulnerability information updated.
Description
A Regular expression denial of service (ReDoS) flaw was found in Function interpolateName in interpolateName.js in webpack loader-utils 2.0.0 via the resourcePath variable in interpolateName.js.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · NpmEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- wordfenceSource3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
2.76%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
Increase +0.51 pp
From 2.25% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-1333Inefficient Regular Expression ComplexityThe product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.
- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Wordpress4 products
- elasticpress≤ 4.3.1 (fixed in 4.4.0)
- insert-special-characters≤ 1.0.5 (fixed in 1.0.6)
- restricted-site-access≤ 7.3.4 (fixed in 7.3.5)
- simple-page-ordering≤ 2.4.3 (fixed in 2.4.4)
Debian1 product
- node-loader-utils< 2.0.4-1
Npm1 product
- loader-utils≥ 1.0.0, < 1.4.2 | ≥ 2.0.0, < 2.0.4 | ≥ 3.0.0, < 3.2.1
Ubuntu1 product
- node-loader-utilsAll versions (No fix recorded)
Webpack.js1 product
- loader-utils≥ 1.0.0, < 1.4.2 | ≥ 2.0.0, < 2.0.4 | ≥ 3.0.0, < 3.2.1
5 vendors · 8 products
References
19 links- github.com/webpack/loader-utils/blob/d9f4e23cf411d8556f8bac2d3bf05a6e0103b568/lib/interpolateName.jsREPORTWEBThird Party Advisory
- github.com/webpack/loader-utils/blob/d9f4e23cf411d8556f8bac2d3bf05a6e0103b568/lib/interpolateName.jsREPORTWEBThird Party Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
