Path Traversal Vulnerability in Worry Proof Backup Plugin for WordPress
CVE-2026-1311

8.8HIGH

Key Information:

Vendor

WordPress
Status
Worry Proof Backup
Vendor
CVE Published:
26 February 2026

What is CVE-2026-1311?

The Worry Proof Backup plugin for WordPress allows authenticated attackers, with Subscriber-level access and above, to exploit a path traversal flaw through its backup upload functionality. This vulnerability enables the upload of a malicious ZIP archive containing path traversal sequences, which can lead to the writing of arbitrary files on the server. Attackers may utilize this vulnerability to create and execute unauthorized PHP files, leading to potential remote code execution.

Affected Version(s)

Worry Proof Backup 0 <= 0.2.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/worry-proof-ba...
https://plugins.trac.wordpress.org/browser/worry-proof-ba...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Athiwat Tiprasaharn
Itthidej Aramsri
.