CVE-2021-24885 YOP Poll < 6.1.2 - Reflected Cross-Site Scripting

Q: What is CVE-2021-24885?

CVE-2021-24885 is a medium-severity cross-site scripting vulnerability in Unknown YOP Poll, published on 25 Oct 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2021-24885 being exploited?

There is no known exploitation of CVE-2021-24885 in the wild and no public exploit code.

Q: How do I fix CVE-2021-24885?

No fix has been published for CVE-2021-24885 yet. Limit exposure of the affected software until one is available.

Medium 6.1 Published 25 Oct 2021 Updated 3 Aug 2024

Attackers can inject malicious scripts via the perpage parameter in YOP Poll, potentially compromising user sessions or site integrity.

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-2021-24885?

CVE-2021-24885 is a medium-severity cross-site scripting vulnerability in Unknown YOP Poll, published on 25 Oct 2021. 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 YOP Poll WordPress plugin before 6.1.2 does not escape the perpage parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting

Weakness: CWE-79

Which versions are affected by CVE-2021-24885?

It affects 1 product.

Products include Yop-Poll Yop-Poll.

How do I fix CVE-2021-24885?

No fix has been published for CVE-2021-24885 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-2021-24885 being exploited?

There is no known exploitation of CVE-2021-24885 in the wild and no public exploit code.

Sources

Also known as GHSA-fr5j-77mg-3779.