CVE-2020-23754 Cross-site scripting in n/a

Critical 9.6 Published 2 Nov 2021 Updated 4 Aug 2024

Attackers can execute arbitrary code via XSS in the polls feature of PHP-Fusion, potentially compromising user sessions and 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-2020-23754?

CVE-2020-23754 is a critical cross-site scripting vulnerability in n/a, published on 2 Nov 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

Cross Site Scripting (XSS) vulnerability in infusions/member_poll_panel/poll_admin.php in PHP-Fusion 9.03.50, allows attackers to execute arbitrary code, via the polls feature.

Weakness: CWE-79

Which versions are affected by CVE-2020-23754?

It affects 1 product.

Products include Php-Fusion Phpfusion.

How do I fix CVE-2020-23754?

No fix has been published for CVE-2020-23754 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-2020-23754 being exploited?

There is no known exploitation of CVE-2020-23754 in the wild and no public exploit code.

Sources

Also known as GHSA-j7xg-fp64-53cg.