CVE-2023-25456 WordPress Klaviyo Plugin <= 3.0.7 is vulnerable to Cross Site Scripting (XSS)

Medium 5.9 Published Updated

Administrators can inject malicious scripts into the Klaviyo WordPress plugin, potentially leading to code execution or account takeover.

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

What is CVE-2023-25456?

CVE-2023-25456 is a medium-severity cross-site scripting vulnerability in Klaviyo, Inc. Klaviyo, published on 23 Mar 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Klaviyo, Inc. Klaviyo plugin <= 3.0.7 versions.

Weakness: CWE-79

Which versions are affected by CVE-2023-25456?

It affects 1 product.

Products include Klaviyo Klaviyo.

How do I fix CVE-2023-25456?

No fix has been published for CVE-2023-25456 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-2023-25456 being exploited?

There is no known exploitation of CVE-2023-25456 in the wild and no public exploit code.

Sources

Also known as GHSA-cwgw-c4cg-47q9.

Is CVE-2023-25456 in your software?

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