CVE-2022-1604 MailerLite < 1.5.4 - Reflected Cross-Site Scripting

Medium 6.1 Published Updated

Attackers can execute arbitrary scripts in user browsers via unsanitized parameters in the MailerLite WordPress plugin.

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-2022-1604?

CVE-2022-1604 is a medium-severity cross-site scripting vulnerability in Unknown MailerLite – Signup forms (official), published on 13 Jun 2022. 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

The MailerLite WordPress plugin before 1.5.4 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting

Weakness: CWE-79

Which versions are affected by CVE-2022-1604?

It affects 1 product.

Products include Mailerlite Mailerlite Signup Forms.

How do I fix CVE-2022-1604?

No fix has been published for CVE-2022-1604 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-1604 being exploited?

There is no known exploitation of CVE-2022-1604 in the wild and no public exploit code.

Sources

Also known as GHSA-j7x8-rcv8-xg5g.

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