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CVE-2023-0586 All in One SEO Pack <= 4.2.9 - Authenticated (Contributor+) Stored Cross-Site Scripting

Medium 6.4 Published Updated

Authenticated contributors can inject arbitrary scripts into pages via insufficient sanitization, affecting WordPress sites using All in One SEO Pack.

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-2023-0586?

CVE-2023-0586 is a medium-severity cross-site scripting vulnerability in smub All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic, published on 24 Feb 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The All in One SEO Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in versions up to, and including, 4.2.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with Contributor+ role to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2023-0586?

It affects 1 product.

Products include Aioseo All in One Seo.

How do I fix CVE-2023-0586?

No fix has been published for CVE-2023-0586 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-2023-0586 being exploited?

There is no known exploitation of CVE-2023-0586 in the wild and no public exploit code.

Sources

Also known as GHSA-vgcj-j4f7-w2g2.

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