CVE-2017-1000462 Cross-site scripting in n/a

Medium 5.4 Published Updated

Stored XSS in BookStack allows attackers to execute JavaScript and cause service disruption via page creation.

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-2017-1000462?

CVE-2017-1000462 is a medium-severity cross-site scripting vulnerability in n/a, published on 3 Jan 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

BookStack version 0.18.4 is vulnerable to stored cross-site scripting, within the page creation page, which can result in disruption of service and execution of javascript code.

Weakness: CWE-79

Which versions are affected by CVE-2017-1000462?

It affects 1 product.

Products include Bookstackapp Bookstack.

How do I fix CVE-2017-1000462?

No fix has been published for CVE-2017-1000462 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-2017-1000462 being exploited?

There is no known exploitation of CVE-2017-1000462 in the wild and no public exploit code.

Sources

Also known as GHSA-pgc3-2268-v6r2.

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