CVE-2023-3990 Mingsoft MCMS HTTP POST Request search.do cross site scripting

Low 3.5 Published 28 Jul 2023 Updated 2 Aug 2024

Remote attackers can execute arbitrary scripts via the search.do style parameter in Mingsoft MCMS, potentially compromising user 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: Available

What is CVE-2023-3990?

CVE-2023-3990 is a low-severity cross-site scripting vulnerability in Mingsoft MCMS, published on 28 Jul 2023. 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 Mingsoft MCMS up to 5.3.1. This affects an unknown part of the file search.do of the component HTTP POST Request Handler. The manipulation of the argument style leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-235611.

Weakness: CWE-79

Which versions are affected by CVE-2023-3990?

2 open source packages ship an affected version, including net.mingsoft:ms-mcms. It affects 1 product.

Package	Affected	Fixed in
`net.mingsoft:ms-mcms` Maven	All versions	`5.3.2`
`net.mingsoft:ms-mcms` Maven	All versions	`5.3.2`

Products include Mingsoft Mcms.

How do I fix CVE-2023-3990?

Upgrade net.mingsoft:ms-mcms to 5.3.2 or later.

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-2023-3990 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3990 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-rxvj-5mv6-j5mc.