CVE-2022-37603: webpack.js loader-utils
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-37603DEBIAN-CVE-2022-37603GHSA-3rfm-jhwj-7488
Published 14-10-2022Last modified 15-05-2025
Vulnerability summary
CVE-2022-37603 is a high (CVSS 7.5) vulnerability in webpack.js loader-utils. EPSS estimates a 2.70% chance of exploitation in the next 30 days, higher than 85.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
2.70%
0%100%
Low · +0.50 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 3Timeline
- 14-10-2022PublishedVulnerability first disclosed.
- 15-05-2025Last 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 url variable in interpolateName.js.
CVSS metrics
6 scores · 6 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources6 sources · 3.7–7.5
- 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
- NVDNIST7.5HighCVSS: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
2.70%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
+0.50 pp
From 2.20% on 19-09-2026
19-09-202619-10-2026
EPSS score2.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLoader Utils
Maturity: poc
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
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< 1.4.2 | ≥ 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.jsWEBExploitThird Party Advisory
- github.com/webpack/loader-utils/blob/d9f4e23cf411d8556f8bac2d3bf05a6e0103b568/lib/interpolateName.jsWEBExploitThird Party Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
