CVE-2026-52703 WordPress FastDup plugin <= 2.7.2 - Path Traversal vulnerability

Critical 9.6 Published Updated

Unauthenticated attackers can exploit a path traversal vulnerability in the FastDup WordPress plugin to read arbitrary files from the server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-52703?

CVE-2026-52703 is a critical path traversal vulnerability in Ninja Team FastDup, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Unauthenticated Path Traversal in FastDup <= 2.7.2 versions.

Weakness: CWE-35

Which versions are affected by CVE-2026-52703?

How do I fix CVE-2026-52703?

No fix has been published for CVE-2026-52703 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-2026-52703 being exploited?

There is no known exploitation of CVE-2026-52703 in the wild and no public exploit code.

Sources

Also known as GHSA-4ch2-hcmc-wjw8.

Is CVE-2026-52703 in your software?

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