BackWPup <= 4.0.3 - Sensitive Information Exposure

7.5
Exposure of Sensitive Information to an Unauthorized Actor
CVE CVE-2023-7164
CVSS 7.5 (High)
Publicly Published December 18, 2023
Last Updated March 20, 2024
Researcher Dmitrii Ignatyev - CleanTalk Inc

Description

The BackWPup – WordPress Backup Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.0.3. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data.

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Vulnerability Details for BackWPup – WordPress Backup & Restore Plugin

Software Type Plugin
Software Slug backwpup (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.0.4, or a newer patched version
Affected Version
  • <= 4.0.3
Patched Version
  • 4.0.4

Recent vulnerabilities in BackWPup – WordPress Backup & Restore Plugin

# Title CVE ID CVSS Researchers Date
1 BackWPup <= 5.7.4 - Unauthenticated Stored Cross-Site Scripting CVE-2026-65443 7.2 daroo July 27, 2026
2 BackWPup <= 5.6.6 - Authenticated (Administrator+) Local File Inclusion via 'block_name' Parameter CVE-2026-6227 7.2 Pixel_DefaultBR April 13, 2026
3 BackWPup 5.0.0 - 5.6.2 - Authenticated (BackWPup Helper+) Privilege Escalation via Arbitrary Options Update CVE-2025-15041 7.2 0N0ise February 18, 2026
4 BackWPup 5 - 5.5.0 - Missing Authorization to Sensitive Information Exposure CVE-2025-10579 5.3 Dmitrii Ignatyev October 24, 2025
5 BackWPup <= 4.0.1 - Authenticated (Administrator+) Directory Traversal CVE-2023-5505 6.8 Marco Wotschka August 16, 2024
6 BackWPup <= 4.0.2 - Plaintext Storage of Backup Destination Password CVE-2023-5775 2.2 Stefan Marjanov February 23, 2024
7 BackWPup <= 4.0.1 - Authenticated (Administrator+) Directory Traversal CVE-2023-5504 8.7 Marco Wotschka November 22, 2023
8 BackWPup <= 3.4.1 - Unauthenticated Backup Download CVE-2017-2551 7.5 Larry W. Cashdollar September 8, 2017
9 BackWPup < 3.0.13 - Cross-Site Scripting CVE-2013-4626 6.1 High-Tech Bridge Security Research Lab August 21, 2013
10 BackWPup <= 1.7.1 - Remote File Inclusion CVE-2011-4342 9.8 Phil Taylor - Sense of Security Labs March 28, 2011

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