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CVE-2021-24953 Advanced iFrame < 2022 - Reflected Cross-Site Scripting

Medium 6.1 Published Updated

Reflected Cross-Site Scripting in Advanced iFrame plugin allows attackers to execute arbitrary scripts in admin pages via unsanitized parameters.

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

What is CVE-2021-24953?

CVE-2021-24953 is a medium-severity cross-site scripting vulnerability in Unknown Advanced iFrame, published on 7 Mar 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Advanced iFrame WordPress plugin before 2022 does not sanitise and escape the ai_config_id parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue

Weakness: CWE-79

Which versions are affected by CVE-2021-24953?

It affects 1 product.

Products include Tinywebgallery Advanced Iframe.

How do I fix CVE-2021-24953?

No fix has been published for CVE-2021-24953 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-2021-24953 being exploited?

There is no known exploitation of CVE-2021-24953 in the wild and no public exploit code.

Sources

Also known as GHSA-mfjw-6wwh-h7vf.

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