CVE-2026-1311 Worry Proof Backup <= 0.2.4 - Authenticated (Subscriber+) Path Traversal via Backup Upload
Authenticated attackers can upload malicious ZIP archives to write arbitrary files and execute code on the server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1311?
CVE-2026-1311 is a high-severity path traversal vulnerability in bearsthemes Worry Proof Backup, published on 26 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-1311?
How do I fix CVE-2026-1311?
No fix has been published for CVE-2026-1311 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-1311 being exploited?
There is no known exploitation of CVE-2026-1311 in the wild and no public exploit code.
Sources
Also known as GHSA-xp3r-qr68-xr3w.