CVE-2026-1311

HIGH

Worry Proof Backup Plugin <0.2.4 - Path Traversal

Title source: llm

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.

Exploits (2)

github WORKING POC 10 stars

by XiaomingX · pythonpoc

https://github.com/XiaomingX/data-cve-poc-py-v1/tree/main/2026/CVE-2026-1311

View Code ZIP pw:eip

nomisec WORKING POC

by hacker1337itme · poc

https://github.com/hacker1337itme/CVE-2026-1311

View Code ZIP pw:eip

References (3)

[Product] https://plugins.trac.wordpress.org/browser/worry-proof-backup/tags/0.2.4/inc/libs/upload-backup.php#L97

[Product] https://plugins.trac.wordpress.org/browser/worry-proof-backup/trunk/inc/libs/upload-backup.php#L97

[Third Party Advisory] https://www.wordfence.com/threat-intel/vulnerabilities/id/3ffd6ce0-2536-43a5-9925-438bc653d0e5?source=cve

Scores

CVSS v3 8.8

EPSS 0.0012

EPSS Percentile 31.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-22

Status published

Products (1)

bearsthemes/Worry Proof Backup < 0.2.4

Published Feb 26, 2026

Tracked Since Feb 26, 2026