CVE-2023-28496 WordPress SMTP2GO Plugin <= 1.4.2 is vulnerable to Cross Site Scripting (XSS)

Q: What is CVE-2023-28496?

CVE-2023-28496 is a medium-severity cross-site scripting vulnerability in SMTP2GO – Email Made Easy, published on 22 Jun 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Q: Is CVE-2023-28496 being exploited?

There is no known exploitation of CVE-2023-28496 in the wild and no public exploit code.

Q: How do I fix CVE-2023-28496?

No fix has been published for CVE-2023-28496 yet. Limit exposure of the affected software until one is available.

Medium 5.9 Published 22 Jun 2023 Updated 28 Apr 2026

Administrators can inject malicious scripts into the SMTP2GO WordPress plugin, potentially compromising user sessions or site integrity.

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-2023-28496?

CVE-2023-28496 is a medium-severity cross-site scripting vulnerability in SMTP2GO – Email Made Easy, published on 22 Jun 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 SMTP2GO – Email Made Easy plugin <= 1.4.2 versions.

Weakness: CWE-79

Which versions are affected by CVE-2023-28496?

It affects 1 product.

Products include Smtp2go Smtp2go.

How do I fix CVE-2023-28496?

No fix has been published for CVE-2023-28496 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-2023-28496 being exploited?