CVE-2018-12943 Cross-site scripting in n/a

Medium 6.1 Published 31 Jul 2018 Updated 5 Aug 2024

Remote attackers can inject arbitrary web script or HTML via the action parameter in SeedDMS, potentially compromising user sessions or data.

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-2018-12943?

CVE-2018-12943 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Jul 2018. 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

Cross-Site Scripting (XSS) vulnerability in every page that includes the "action" URL parameter in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows remote attackers to inject arbitrary web script or HTML via the action parameter.

Weakness: CWE-79

Which versions are affected by CVE-2018-12943?

It affects 1 product.

Products include Seeddms Seeddms.

How do I fix CVE-2018-12943?

No fix has been published for CVE-2018-12943 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-2018-12943 being exploited?

There is no known exploitation of CVE-2018-12943 in the wild and no public exploit code.

Sources

Also known as GHSA-5753-gp8w-7p39.