CVE-2023-48858 Cross-site scripting in n/a

Medium 6.1 Published 17 Jan 2024 Updated 2 Jun 2025

Remote attackers can inject arbitrary web script or HTML into the login page of ABO.CMS, potentially leading to session hijacking or malicious actions.

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-2023-48858?

CVE-2023-48858 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Jan 2024. 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

A Cross-site scripting (XSS) vulnerability in login page php code in Armex ABO.CMS 5.9 allows remote attackers to inject arbitrary web script or HTML via the login.php? URL part.

Weakness: CWE-79

Which versions are affected by CVE-2023-48858?

It affects 1 product.

Products include Abocms Abo.cms.

How do I fix CVE-2023-48858?

No fix has been published for CVE-2023-48858 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-2023-48858 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-48858 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-4357-w9mw-jg92.