Unauthenticated Cross Site Scripting Vulnerability in BackWPup Plugin by WordPress
CVE-2026-65443

7.1HIGH

Key Information:

Vendor

WordPress
Status
BackWPup
Vendor
CVE Published:
27 July 2026

What is CVE-2026-65443?

The BackWPup plugin versions 5.7.4 and earlier are susceptible to an unauthenticated cross-site scripting (XSS) vulnerability. This flaw allows attackers to execute arbitrary JavaScript code in the context of an affected user's session. By manipulating a malicious payload, attackers can exploit this weakness to potentially steal sensitive information, conduct phishing attacks, or perform other malicious activities. It is crucial for users of the BackWPup plugin to update to the latest version to mitigate this risk.

Affected Version(s)

BackWPup <= 5.7.4

References

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

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo | Patchstack Bug Bounty Program
.