CVE-2026-1311

HIGH
2026-02-26 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 26, 2026 - 05:17 nvd
HIGH 8.8

Description

The Worry Proof Backup plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 0.2.4 via the backup upload functionality. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload a malicious ZIP archive with path traversal sequences to write arbitrary files anywhere on the server, including executable PHP files. This can lead to remote code execution.

Analysis

Remote code execution in WordPress Worry Proof Backup plugin through path traversal in the backup upload feature allows authenticated users with Subscriber privileges or higher to write arbitrary files, including PHP executables, to the server by uploading specially crafted ZIP archives. The vulnerability affects all versions up to 0.2.4 and currently has no available patch, enabling attackers to achieve full server compromise.

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Remediation

Within 24 hours: Audit all WordPress installations for Worry Proof Backup plugin presence and document affected systems. Within 7 days: Implement compensating controls (disable the plugin, apply WAF rules, or isolate affected systems from production). …

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.3
CVSS: +44
POC: 0

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CVE-2026-1311 vulnerability details – vuln.today

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