CVE-2024-33209 Cross-site scripting in n/a

Medium 5.4 Published 2 Oct 2024 Updated 14 Mar 2025

Attackers can inject malicious JavaScript into FlatPress entries, executing arbitrary code in victims' browsers.

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-2024-33209?

CVE-2024-33209 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Oct 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

FlatPress v1.3 is vulnerable to Cross Site Scripting (XSS). An attacker can inject malicious JavaScript code into the "Add New Entry" section, which allows them to execute arbitrary code in the context of a victim's web browser.

Weakness: CWE-79

Which versions are affected by CVE-2024-33209?

It affects 1 product.

Products include Flatpress Flatpress.

How do I fix CVE-2024-33209?

No fix has been published for CVE-2024-33209 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-2024-33209 being exploited?

There is no known exploitation of CVE-2024-33209 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-v65q-q3ch-5jrg.