CVE-2026-1311
High
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.
SeverityHigh
CVSS8.8
Exploit probability58. percentile0.8%
ProductWorry Proof Backup
PublishedFeb 26, 2026
First seenFeb 26, 2026
Weakness typeCWE-22Path traversal
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bearsthemes Worry Proof Backup | v ≤ 0.2.4 | — |
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