PHP
CVE-2026-1311
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
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.
Technical ContextAI
Classified as CWE-22 (Path Traversal). Affects the backup upload component of Worry Proof Backup (WordPress plugin). 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.
Affected ProductsAI
Vendor: WordPress. Product: Worry Proof Backup (WordPress plugin). Versions: up to 0.2.4. Component: backup upload.
RemediationAI
Monitor vendor advisories for a patch. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.
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Same weakness CWE-22 – Path Traversal
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External POC / Exploit Code
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