CVE-2019-12962 Cross-site scripting in n/a

Medium 6.1 Published Updated

An attacker can inject malicious scripts via the Accept-Language header in LiveZilla Server, potentially leading to session hijacking or code execution.

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-2019-12962?

CVE-2019-12962 is a medium-severity cross-site scripting vulnerability in n/a, published on 25 Jun 2019. 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

LiveZilla Server before 8.0.1.1 is vulnerable to XSS in mobile/index.php via the Accept-Language HTTP header.

Weakness: CWE-79

Which versions are affected by CVE-2019-12962?

It affects 1 product.

Products include Livezilla Livezilla.

How do I fix CVE-2019-12962?

No fix has been published for CVE-2019-12962 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-2019-12962 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-12962 exists.

Public exploit code: 1 Exploit-DB entry and 1 Nuclei template.

Sources

Also known as GHSA-2vv4-xm6v-5wf5.

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