CVE-2024-10367 Cross-site scripting in Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE

Medium 6.4 Published Updated

Authenticated attackers can inject arbitrary scripts via SVG uploads in the Otter Blocks WordPress plugin, leading to stored XSS.

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-2024-10367?

CVE-2024-10367 is a medium-severity cross-site scripting vulnerability in themeisle Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE, published on 1 Nov 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REST API SVG File uploads in all versions up to, and including, 3.0.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

Weakness: CWE-79

Which versions are affected by CVE-2024-10367?

How do I fix CVE-2024-10367?

No fix has been published for CVE-2024-10367 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-2024-10367 being exploited?

There is no known exploitation of CVE-2024-10367 in the wild and no public exploit code.

Sources

Also known as GHSA-4mhw-9x9m-r4r7.

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