CVE-2017-1000495 QuickApps CMS Cross-site Scripting

Medium 5.4 Published Updated

Stored XSS in QuickApps CMS allows attackers to perform unauthorized actions as an administrator and cause denial of service.

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
Available

What is CVE-2017-1000495?

CVE-2017-1000495 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

QuickApps CMS version 2.0.0 is vulnerable to Stored Cross-site Scripting in the user's real name field resulting in denial of service and performing unauthorised actions with an administrator user's account

Weakness: CWE-79

Which versions are affected by CVE-2017-1000495?

2 open source packages ship an affected version, including quickapps/cms. It affects 1 product.

PackageAffectedFixed in
quickapps/cms PackagistAll versions2.0.0
quickapps/cms PackagistAll versions2.0.0

Products include Quickappscms Quickapps Cms.

How do I fix CVE-2017-1000495?

Upgrade quickapps/cms to 2.0.0 or later.

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-2017-1000495 being exploited?

There is no known exploitation of CVE-2017-1000495 in the wild and no public exploit code.

Sources

Also known as GHSA-825g-f3g2-6vxf.

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