Sensitive Data Exposure in ZHBackup Plugin by WordPress
CVE-2026-81804

7.5HIGH

Key Information:

Vendor

WordPress
Status
Zhbackup – Backup, Restore & Migration
Vendor
CVE Published:
10 September 2026

What is CVE-2026-81804?

The ZHBackup plugin for WordPress, specifically versions up to 2.4.2, is susceptible to unauthenticated sensitive data exposure. This vulnerability allows unauthorized users to access sensitive information, potentially compromising user data and system integrity. It is vital for users of the ZHBackup plugin to ensure they are using the latest version to mitigate this exposure.

Affected Version(s)

ZHBackup – Backup, Restore &amp; Migration <= 2.4.2

References

https://patchstack.com/database/wordpress/plugin/zhbackup...
vdb-entry

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.