CVE-2017-6589 EpicEditor XSS Vulnerability
Cross-site scripting vulnerability in EpicEditor allows attackers to execute arbitrary scripts via crafted HTML elements due to insecure default configuration.
- 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-2017-6589?
CVE-2017-6589 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Mar 2017. 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
EpicEditor through 0.2.3 has Cross-Site Scripting because of an insecure default marked.js configuration. An example attack vector is a crafted IMG element in an HTML document.
Weakness: CWE-79
Which versions are affected by CVE-2017-6589?
2 open source packages ship an affected version, including epiceditor. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
epiceditor npm | All versions to 0.2.3 | None |
epiceditor npm | All versions to 0.2.3 | None |
Products include Epiceditor Project Epiceditor.
How do I fix CVE-2017-6589?
No fix has been published for CVE-2017-6589 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-2017-6589 being exploited?
There is no known exploitation of CVE-2017-6589 in the wild and no public exploit code.
Sources
Also known as GHSA-4wc5-gfgh-4vjx.