CVE-2023-28785 WordPress Yoast SEO: Local Plugin <= 14.9 is vulnerable to Cross Site Scripting (XSS)

Q: What is CVE-2023-28785?

CVE-2023-28785 is a medium-severity cross-site scripting vulnerability in Yoast SEO: Local, published on 28 May 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Q: Is CVE-2023-28785 being exploited?

There is no known exploitation of CVE-2023-28785 in the wild and no public exploit code.

Q: How do I fix CVE-2023-28785?

No fix has been published for CVE-2023-28785 yet. Limit exposure of the affected software until one is available.

Medium 6.5 Published 28 May 2023 Updated 28 Apr 2026

Authenticated contributors can inject malicious scripts via stored XSS in the Yoast SEO: Local plugin, potentially compromising user sessions.

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

What is CVE-2023-28785?

CVE-2023-28785 is a medium-severity cross-site scripting vulnerability in Yoast SEO: Local, published on 28 May 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Yoast Yoast SEO: Local plugin <= 14.9 versions.

Weakness: CWE-79

Which versions are affected by CVE-2023-28785?

It affects 1 product.

Products include Yoast Yoast Seo.

How do I fix CVE-2023-28785?

No fix has been published for CVE-2023-28785 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-2023-28785 being exploited?

There is no known exploitation of CVE-2023-28785 in the wild and no public exploit code.

Sources

Also known as GHSA-84jg-jh7r-p5vv.