CVE-2018-18775 Cross-site scripting in n/a

Medium 6.1 Published 1 Nov 2018 Updated 5 Aug 2024

Cross-site scripting in MicroStrategy Web allows attackers to inject scripts via the Login.asp Msg parameter, risking session hijacking.

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-2018-18775?

CVE-2018-18775 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Nov 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

Microstrategy Web, version 7, does not sufficiently encode user-controlled inputs, resulting in a Cross-Site Scripting (XSS) vulnerability via the Login.asp Msg parameter. NOTE: this is a deprecated product.

Weakness: CWE-79

Which versions are affected by CVE-2018-18775?

It affects 1 product.

Products include Microstrategy Microstrategy Web.

How do I fix CVE-2018-18775?

No fix has been published for CVE-2018-18775 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-2018-18775 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-18775 exists.

Public exploit code: 2 Exploit-DB entries and 1 Nuclei template.

Sources

Also known as GHSA-p388-cq9r-jw8p.