CVE-2023-6426 Cross-site Scripting vulnerability in BigProf products

Medium 6.3 Published 30 Nov 2023 Updated 2 Aug 2024

Attackers can inject persistent JavaScript via the FirstRecord parameter in BigProf Online Invoicing System, 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-2023-6426?

CVE-2023-6426 is a medium-severity cross-site scripting vulnerability in BigProf Online Invoicing System, published on 30 Nov 2023. 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 vulnerability has been discovered in BigProf Online Invoicing System 2.6, which does not sufficiently encode user-controlled input, resulting in persistent XSS through /invoicing/app/invoices_view.php, in the FirstRecord parameter. Exploitation of this vulnerability could allow an attacking user to store dangerous JavaScript payloads on the system that will be triggered when the page loads.

Weakness: CWE-79

Which versions are affected by CVE-2023-6426?

It affects 1 product.

Products include Bigprof Online Invoicing System.

How do I fix CVE-2023-6426?

No fix has been published for CVE-2023-6426 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-2023-6426 being exploited?

There is no known exploitation of CVE-2023-6426 in the wild and no public exploit code.

Sources

Also known as GHSA-fw27-7g87-28r5.