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CVE-2021-24157 Orbit Fox by ThemeIsle < 2.10.3 - Authenticated Stored Cross Site Scripting

Medium 5.4 Published Updated

Authenticated users can inject malicious scripts into page headers or footers due to missing capability checks, potentially leading to code execution or account takeover.

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-2021-24157?

CVE-2021-24157 is a medium-severity cross-site scripting vulnerability in Unknown Orbit Fox by ThemeIsle, published on 5 Apr 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Orbit Fox by ThemeIsle has a feature to add custom scripts to the header and footer of a page or post. There were no checks to verify that a user had the unfiltered_html capability prior to saving the script tags, thus allowing lower-level users to inject scripts that could potentially be malicious.

Weakness: CWE-79

Which versions are affected by CVE-2021-24157?

It affects 1 product.

Products include Themeisle Orbit Fox.

How do I fix CVE-2021-24157?

No fix has been published for CVE-2021-24157 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-2021-24157 being exploited?

There is no known exploitation of CVE-2021-24157 in the wild and no public exploit code.

Sources

Also known as GHSA-7gpg-h2jg-p789.

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