CVE-2023-43877 Cross-site scripting in n/a

Medium 4.8 Published 4 Oct 2023 Updated 19 Sep 2024

Attackers can execute arbitrary code via XSS in Rite CMS Home Page fields, requiring admin access to the Administration menu.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-43877?

CVE-2023-43877 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Oct 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Rite CMS 3.0 has Multiple Cross-Site scripting (XSS) vulnerabilities that allow attackers to execute arbitrary code via a payload crafted in the Home Page fields in the Administration menu.

Weakness: CWE-79

Which versions are affected by CVE-2023-43877?

It affects 1 product.

Products include Ritecms Ritecms.

How do I fix CVE-2023-43877?

No fix has been published for CVE-2023-43877 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-2023-43877 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43877 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-mppq-q8f9-vw8j.