CVE-2021-24833 YOP Poll < 6.3.1 - Author+ Stored Cross-Site Scripting via Preview Module

Medium 5.4 Published Updated

An attacker with author privileges can inject arbitrary scripts via the poll preview module, potentially compromising admin 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-2021-24833?

CVE-2021-24833 is a medium-severity cross-site scripting vulnerability in Unknown YOP Poll, published on 17 Nov 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

The YOP Poll WordPress plugin before 6.3.1 is affected by a stored Cross-Site Scripting vulnerability, which exists in the Admin preview module where a user with a role as low as author is allowed to execute arbitrary script code within the context of the application. This vulnerability is due to insufficient validation of question and answer text parameters in Create Poll module.

Weakness: CWE-79

Which versions are affected by CVE-2021-24833?

It affects 1 product.

Products include Yop-Poll Yop Poll.

How do I fix CVE-2021-24833?

No fix has been published for CVE-2021-24833 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-2021-24833 being exploited?

There is no known exploitation of CVE-2021-24833 in the wild and no public exploit code.

Sources

Also known as GHSA-ggxf-x772-3hfw.

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