CVE-2022-4820 FlatPress Admin Area admin.entry.list.php cross site scripting

Low 3.5 Published 28 Dec 2022 Updated 3 Aug 2024

Remote attackers can inject malicious scripts into the FlatPress admin entry list, potentially compromising administrator 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-2022-4820?

CVE-2022-4820 is a low-severity cross-site scripting vulnerability in FlatPress, published on 28 Dec 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability classified as problematic has been found in FlatPress. This affects an unknown part of the file admin/panels/entry/admin.entry.list.php of the component Admin Area. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The name of the patch is 229752b51025e678370298284d42f8ebb231f67f. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216999.

Weakness: CWE-79

Which versions are affected by CVE-2022-4820?

It affects 1 product.

Products include Flatpress Flatpress.

How do I fix CVE-2022-4820?

No fix has been published for CVE-2022-4820 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-2022-4820 being exploited?

There is no known exploitation of CVE-2022-4820 in the wild and no public exploit code.

Sources

Also known as GHSA-xw87-v2j3-vcw2.