CVE-2026-12872 Webinfos <= 1.2 - Unauthenticated Arbitrary File Upload

Critical 9.8 Published Updated

Unauthenticated attackers can upload arbitrary files, including PHP, to achieve remote code execution on servers running the Webinfos WordPress plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-12872?

CVE-2026-12872 is a critical vulnerability in Unknown Webinfos, published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Webinfos WordPress plugin through 1.2 does not validate the type or name of uploaded files, nor restrict the upload action with any authentication, capability, or nonce check, allowing unauthenticated attackers to upload arbitrary files (including PHP) to a web-accessible directory, leading to remote code execution on servers that execute PHP from the uploads path.

Weakness: CWE-434

Which versions are affected by CVE-2026-12872?

How do I fix CVE-2026-12872?

No fix has been published for CVE-2026-12872 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-12872 being exploited?

There is no known exploitation of CVE-2026-12872 in the wild and no public exploit code.

Sources

Also known as GHSA-jm79-ggg6-34q9.

Is CVE-2026-12872 in your software?

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