CVE-2025-31755 WordPress pCloud Backup plugin <= 1.0.1 - Broken Access Control vulnerability

Medium 4.3 Published Updated

Attackers can bypass access controls to read or modify backup data in the pCloud Backup WordPress plugin.

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-2025-31755?

CVE-2025-31755 is a medium-severity missing authorization vulnerability in josselynj pCloud Backup, published on 1 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Missing Authorization vulnerability in josselynj pCloud Backup pcloud-backup allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects pCloud Backup: from n/a through <= 1.0.1.

Weakness: CWE-862

Which versions are affected by CVE-2025-31755?

How do I fix CVE-2025-31755?

No fix has been published for CVE-2025-31755 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-31755 being exploited?

There is no known exploitation of CVE-2025-31755 in the wild and no public exploit code.

Sources

Also known as GHSA-5q47-p7mr-gqmx.

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