Reported vulnerability

Backup Bank: WordPress Backup Plugin <= 4.0.28 - Missing Authorization via post_user_feedback_backup_bank

Published 15 Mar 2023

Updated 22 Jan 2024

CVE-2023-28165

Compare your installed software with the affected versions below. Follow the source’s remediation guidance and test an available update after taking a backup. A database entry describes a reported issue; it does not establish whether a particular website has been compromised.

Does this affect my version?

Check your installed version against this advisory. This compares the report’s version ranges and does not scan your website.

Backup Bank: WordPress Backup Plugin

In WordPress, open Plugins > Installed Plugins and find the version shown beneath the plugin name.

Wordfence advisory

medium · CVSS 5.3

The Backup Bank: WordPress Backup Plugin plugin for WordPress is vulnerable to unauthorized execution of an AJAX action due to a missing capability check on the post_user_feedback_backup_bank() function in versions up to, and including, 4.0.28. This makes it possible for authenticated attackers with subscriber-level access, and above, to submit plugin feedback spoofing as the identity of the site owner.

Severity vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Backup Bank: WordPress Backup Plugin

Software
plugin · wp-backup-bank
Affected versions
Start version unspecified, through 4.0.28
Fix availability
No fix reported
Fixed versions
No fixed version specified

Recommended action

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

Further references (1)
Data sources and licences

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Read licence terms

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Read licence terms

Source: Wordfence

Need help fixing this issue?

Get help checking your site, applying an available update and resolving any problems after updating.

Get help with this issue

Questions about this vulnerability

Which versions of Backup Bank: WordPress Backup Plugin are affected?

Wordfence lists these affected versions: Start version unspecified, through 4.0.28. Use the version checker above to compare your installed release with this report.

Is a fix available for Backup Bank: WordPress Backup Plugin?

Wordfence does not report a fix for this issue in Backup Bank: WordPress Backup Plugin. Read the source report and ask the developer or your website support team what action to take.

Where can I find my installed plugin version?

In WordPress, open Plugins > Installed Plugins and find the version shown beneath the plugin name.

Does an affected version mean my website has been hacked?

An affected version means the installed release matches a vulnerability described in this report. It does not show whether anyone has exploited it on your website. The checker compares version numbers with stored reports; it does not inspect your website.

Accessibility settings

Adjust how this site looks and moves. Your choices are saved in this browser.