CVE-2026-57736 WordPress HubSpot plugin <= 11.3.51 - Sensitive Data Exposure vulnerability

High 7.4 Published Updated

An attacker can retrieve embedded sensitive data from the HubSpot WordPress plugin, potentially exposing confidential information to unauthorized users.

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-2026-57736?

CVE-2026-57736 is a high-severity vulnerability in HubSpot, published on 1 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Insertion of Sensitive Information Into Sent Data vulnerability in HubSpot allows Retrieve Embedded Sensitive Data.

This issue affects HubSpot: from n/a through 11.3.51.

Weakness: CWE-201

Which versions are affected by CVE-2026-57736?

How do I fix CVE-2026-57736?

No fix has been published for CVE-2026-57736 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-57736 being exploited?

There is no known exploitation of CVE-2026-57736 in the wild and no public exploit code.

Sources

Also known as GHSA-j6hf-cv7p-rr4m.

Is CVE-2026-57736 in your software?

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