CVE-2024-13820 Melhor Envio <= 2.15.11 - Unauthenticated Sensitive Information Exposure via Hardcoded Hash

Medium 5.3 Published Updated

Unauthenticated attackers can extract sensitive data like tokens and configurations from the Melhor Envio WordPress plugin due to a hardcoded hash.

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-2024-13820?

CVE-2024-13820 is a medium-severity vulnerability in melhorenvio Melhor Envio, published on 8 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Melhor Envio plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.15.11 via the 'run' function, which uses a hardcoded hash. This makes it possible for unauthenticated attackers to extract sensitive data including environment information, plugin tokens, shipping configurations, and limited vendor information.

Weakness: CWE-200

Which versions are affected by CVE-2024-13820?

How do I fix CVE-2024-13820?

No fix has been published for CVE-2024-13820 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-13820 being exploited?

There is no known exploitation of CVE-2024-13820 in the wild and no public exploit code.

Sources

Also known as GHSA-fp5g-w23g-5r66.

Is CVE-2024-13820 in your software?

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