loader-utils (JS package) < 2.0.3 — Prototype Pollution
CVE-2022-37601Published · Updated Action summary
ElasticPress: Affected: ≤4.3.1Update to 4.4.0 or newer
Insert Special Characters: Affected: ≤1.0.5Update to 1.0.6 or newer
Block for Apple Maps: Affected: ≤1.0.3Update to 1.1.0 or newer
All remediation steps- Severity
- Medium5.4
- CVSS
- 5.4CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:RUser interaction- Required
S:CScope- Changed
C:LConfidentiality- Low
I:LIntegrity- Low
A:NAvailability- None
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
ElasticPress elasticpress
- Affected≤ 4.3.1
- Patched in4.4.0
Update to 4.4.0 or newer.
You are affected if you run ≤ 4.3.1. Version 4.4.0 and later are not affected by this issue.
Insert Special Characters insert-special-characters
- Affected≤ 1.0.5
- Patched in1.0.6
Update to 1.0.6 or newer.
You are affected if you run ≤ 1.0.5. Version 1.0.6 and later are not affected by this issue.
Block for Apple Maps maps-block-apple
- Affected≤ 1.0.3
- Patched in1.1.0
Update to 1.1.0 or newer.
You are affected if you run ≤ 1.0.3. Version 1.1.0 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under ElasticPress.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 4.4.0, or a newer patched version
- Update to version 1.0.6, or a newer patched version
- Update to version 1.1.0, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch ElasticPress to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence.
The package loader-utils before 1.4.1, from 2.0.0 and before 2.0.3 is vulnerable to prototype pollution via the function parseQuery which could make injecting malicious web scripts possible in some cases.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in ElasticPress
All 10| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated Information Exposure ≤5.3.4Update to 5.3.5 | CVE-2026-62088 | |
| Medium4.3 | Cross-Site Request Forgery ≤5.1.0Update to 5.1.1 | CVE-2024-35684 | |
| High8.3 | Sandbox Bypass ≤4.5.0Update to 4.5.1 | CVE-2023-28154 | |
| Critical9.8 | Remote Code Execution ≤4.4.0Update to 4.4.1 | CVE-2022-25912 | |
| Low3.7 | Regular Expression Denial of Service ≤4.3.1Update to 4.4.0 | CVE-2022-37599 |
- Medium5.3Unauthenticated Information Exposure
≤5.3.4Update to 5.3.5
- Medium4.3Cross-Site Request Forgery
≤5.1.0Update to 5.1.1
- High8.3Sandbox Bypass
≤4.5.0Update to 4.5.1
- Critical9.8Remote Code Execution
≤4.4.0Update to 4.4.1
- Low3.7Regular Expression Denial of Service
≤4.3.1Update to 4.4.0
Timeline
CVE published
Severity medium, CVSS 5.4
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.
