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loader-utils (JS package) < 3.2.1 — Regular Expression Denial of Service

CVE-2022-37603Published · 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

Restricted Site Access: Affected: ≤7.3.4Update to 7.3.5 or newer

Simple Page Ordering: Affected: ≤2.4.3Update to 2.4.4 or newer

All remediation steps
Watch plugin
Severity
Low3.7
CVSS
3.7
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
What does this vector mean?
AV:N Attack vector
Network
AC:H Attack complexity
High
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:N Integrity
None
A:L Availability
Low
Weakness
CWE-400 Uncontrolled Resource Consumption
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

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.

Restricted Site Access restricted-site-access

  1. Affected≤ 7.3.4
  2. Patched in7.3.5

Update to 7.3.5 or newer.

You are affected if you run ≤ 7.3.4. Version 7.3.5 and later are not affected by this issue.

Simple Page Ordering simple-page-ordering

  1. Affected≤ 2.4.3
  2. Patched in2.4.4

Update to 2.4.4 or newer.

You are affected if you run ≤ 2.4.3. Version 2.4.4 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.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

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 7.3.5, or a newer patched version
  4. Update to version 2.4.4, or a newer patched version
  5. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  6. Watch ElasticPress to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence.

The package loader-utils before 1.4.2, from 2.0.0 and before 2.0.4 as well as versions from 3.0.0 but below 3.2.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the resourcePath variable due to insecure usage of regular expressions. Some WordPress plugins and themes use this dependency, however, are not vulnerable to exploitation.

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
Medium5.4Prototype Pollution
≤4.3.1Update to 4.4.0
CVE-2022-37601

Timeline

  1. CVE published

    Severity low, CVSS 3.7

  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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