Path Traversal in Bearsthemes Worry Proof Backup
CVE-2026-1311
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.007 (50.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Bearsthemes Worry Proof Backup — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-1311?
- CVE-2026-1311 is a high-severity vulnerability in Bearsthemes Worry Proof Backup, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-02-26.
- How severe is CVE-2026-1311?
- High severity. CVSS v3 base score is 8.8 out of 10.