CVE-2018-16330 Pandao editor.md vulnerable to XSS in IMG attributes

Medium 6.1 Published Updated

An attacker can execute arbitrary scripts in the victim's browser by crafting malicious IMG attributes in the Editor.md markdown editor.

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-2018-16330?

CVE-2018-16330 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Sep 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

Pandao Editor.md 1.5.0 allows XSS via crafted attributes of an invalid IMG element.

Weakness: CWE-79

Which versions are affected by CVE-2018-16330?

2 open source packages ship an affected version, including editor.md. It affects 1 product.

PackageAffectedFixed in
editor.md npmAll versionsNone
editor.md npmAll versionsNone

Products include Ipandao Editor.md.

How do I fix CVE-2018-16330?

No fix has been published for CVE-2018-16330 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-2018-16330 being exploited?

There is no known exploitation of CVE-2018-16330 in the wild and no public exploit code.

Sources

Also known as GHSA-vjcj-5g2r-vxqc.

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