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WP STAGING WordPress Backup Plugin – Migration Backup Restore <= 3.4.3 — Authenticated (Admin+) Arbitrary File Upload

CVE-2024-3412Published · Updated

Action summary

Affected: ≤3.4.3Update to 3.5.0 or newer

All remediation steps
Watch plugin
Severity
Critical9.1
CVSS
9.1
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:H Privileges required
High
UI:N User interaction
None
S:C Scope
Changed
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-434 Arbitrary File Upload
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

WP STAGING – Backups & Restore, Migration & Clone Plugin – Cloud Backups, Scheduled Backups wp-staging

  1. Affected≤ 3.4.3
  2. Patched in3.5.0

Update to 3.5.0 or newer.

You are affected if you run ≤ 3.4.3. Version 3.5.0 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WP STAGING – Backups & Restore, Migration & Clone Plugin – Cloud Backups, Scheduled Backups.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 3.5.0, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch WP STAGING – Backups & Restore, Migration & Clone Plugin – Cloud Backups, Scheduled Backups to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to haidv35.

The WP STAGING WordPress Backup Plugin – Migration Backup Restore plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the wpstg_processing AJAX action in all versions up to, and including, 3.4.3. This makes it possible for authenticated attackers, with administrator-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in WP STAGING – Backups & Restore, Migration & Clone Plugin – Cloud Backups, Scheduled Backups

All 8
More vulnerabilities in WP STAGING – Backups & Restore, Migration & Clone Plugin – Cloud Backups, Scheduled Backups
SeverityVulnerabilityCVEPublished
Low2.7Authenticated (Administrator+) Arbitrary Directory Deletion via 'deleteDir' Parameter
≤4.19.0Update to 4.20.0
CVE-2026-115871
Medium4.7Authenticated (Administrator+) Server-Side Request Forgery
≤3.4.3Update to 3.5.0
CVE-2024-4469
Medium5.3Sensitive Information Exposure via Log File
≤3.4.3Update to 3.5.0
CVE-2024-3682
Medium4.4Authenticated (Administrator+) Stored Cross-Site-Scripting
≤3.3.3Update to 3.4.0
CVE-2024-2309
Medium5.3Sensitive Information Exposure via cache files
<3.2.0Update to 3.2.0
CVE-2023-7204

Same weakness (Arbitrary File Upload)

All Arbitrary File Upload
Other Arbitrary File Upload 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 critical, CVSS 9.1

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. 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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