CVE-2018-7035 Gleez CMS Stored XSS

Medium 5.4 Published Updated

Remote attackers can inject JavaScript via HTML content in the editor, leading to Stored XSS when administrators edit the content.

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-2018-7035?

CVE-2018-7035 is a medium-severity cross-site scripting vulnerability in n/a, published on 5 Apr 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

Cross-site scripting (XSS) vulnerability in Gleez CMS 1.2.0 and 2.0 might allow remote attackers (users) to inject JavaScript via HTML content in an editor, which will result in Stored XSS when an Administrator tries to edit the same content, as demonstrated by use of the source editor for HTML mode in an Add Blog action.

Weakness: CWE-79

Which versions are affected by CVE-2018-7035?

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

PackageAffectedFixed in
gleez/cms PackagistAll versionsNone
gleez/cms PackagistAll versionsNone
gleez/cms PackagistAll versions to 1.2.0None
gleez/cms PackagistAll versions to 1.2.0None

Products include Gleezcms Gleez Cms.

How do I fix CVE-2018-7035?

No fix has been published for CVE-2018-7035 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-2018-7035 being exploited?

There is no known exploitation of CVE-2018-7035 in the wild and no public exploit code.

Sources

Also known as GHSA-m2r2-qc49-gqw4.

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