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MainWP Child <= 4.4.1.1 — Information Disclosure via Back-Up Files

CVE-2023-3132Published · Updated

Action summary

Affected: ≤4.4.1.1Update to 4.4.1.2 or newer

All remediation steps
Watch plugin
Severity
Medium5.9
CVSS
5.9
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
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:H Confidentiality
High
I:N Integrity
None
A:N Availability
None
Weakness
CWE-200 Information Exposure
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites mainwp-child

  1. Affected≤ 4.4.1.1
  2. Patched in4.4.1.2

Update to 4.4.1.2 or newer.

You are affected if you run ≤ 4.4.1.1. Version 4.4.1.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites.
  • 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 4.4.1.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Robert Lockwood.

The MainWP Child plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 4.4.1.1 due to insufficient controls on the storage of back-up files. This makes it possible for unauthenticated attackers to extract sensitive data including the entire installations database if a backup occurs and the deletion of the back-up files fail.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites

All 9
More vulnerabilities in MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites
SeverityVulnerabilityCVEPublished
High8.1Unauthenticated PHP Object Injection
≤6.2.1Update to 6.2.2
CVE-2026-105436
Medium5.3Missing Authorization
≤6.1.1Update to 6.1.2
CVE-2026-27366
High8.1Missing Authorization to Unauthenticated Privilege Escalation
≤5.3.3Update to 5.3.4
CVE-2024-10783
High7.2SQL Injection via orderby, order Parameters
<4.1.8Update to 4.1.8
CVE-2021-24877
High8.3Authentication Bypass
<3.4.5Update to 3.4.5
—

Same weakness (Information Exposure)

All Information Exposure
Other Information Exposure vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 5.9

  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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