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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
5.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:R User interaction
Required
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

ElasticPress elasticpress

  1. Affected≤ 4.3.1
  2. 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

  1. Affected≤ 1.0.5
  2. 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

  1. Affected≤ 1.0.3
  2. 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

  1. Update to version 4.4.0, or a newer patched version
  2. Update to version 1.0.6, or a newer patched version
  3. Update to version 1.1.0, or a newer patched version
  4. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  5. 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

More in ElasticPress

All 10
More vulnerabilities in ElasticPress
SeverityVulnerabilityCVEPublished
Medium5.3Unauthenticated Information Exposure
≤5.3.4Update to 5.3.5
CVE-2026-62088
Medium4.3Cross-Site Request Forgery
≤5.1.0Update to 5.1.1
CVE-2024-35684
High8.3Sandbox Bypass
≤4.5.0Update to 4.5.1
CVE-2023-28154
Critical9.8Remote Code Execution
≤4.4.0Update to 4.4.1
CVE-2022-25912
Low3.7Regular Expression Denial of Service
≤4.3.1Update to 4.4.0
CVE-2022-37599

Timeline

  1. CVE published

    Severity medium, CVSS 5.4

  2. 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.

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