CVE-2018-0570 XSS in baserCMS

Medium 5.4 Published 26 Jun 2018 Updated 5 Aug 2024

Remote authenticated attackers can inject arbitrary web script or HTML into baserCMS, potentially leading to session hijacking or malicious actions.

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-2018-0570?

CVE-2018-0570 is a medium-severity cross-site scripting vulnerability in Basercms Basercms, published on 26 Jun 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Cross-site scripting vulnerability in baserCMS (baserCMS 4.1.0.1 and earlier versions, baserCMS 3.0.15 and earlier versions) allows remote authenticated attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2018-0570?

4 open source packages ship an affected version, including baserproject/basercms. It affects 1 product.

Package	Affected	Fixed in
`baserproject/basercms` Packagist	All versions to `3.0.15`	None
`baserproject/basercms` Packagist	All versions to `3.0.15`	None
`baserproject/basercms` Packagist	From `4.0.0` to `4.1.0.1`	None
`baserproject/basercms` Packagist	From `4.0.0` to `4.1.0.1`	None

Products include Basercms Basercms.

How do I fix CVE-2018-0570?

No fix has been published for CVE-2018-0570 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-2018-0570 being exploited?

There is no known exploitation of CVE-2018-0570 in the wild and no public exploit code.

All Basercms Basercms vulnerabilities

Sources

Also known as GHSA-994g-74gq-5qpr.