CVE-2019-13127 mxGraph vulnerable to cross-site scripting in color field
Cross-site scripting vulnerability in the draw.io Diagrams plugin for Confluence allows attackers to execute arbitrary scripts via improper input validation.
- 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
- Available
What is CVE-2019-13127?
CVE-2019-13127 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Jul 2019. 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
An issue was discovered in mxGraph through 4.0.0, related to the "draw.io Diagrams" plugin before 8.3.14 for Confluence and other products. Improper input validation/sanitization of a color field leads to XSS. This is associated with javascript/examples/grapheditor/www/js/Dialogs.js.
Which versions are affected by CVE-2019-13127?
2 open source packages ship an affected version, including mxgraph. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
mxgraph npm | All versions | 4.0.1 |
mxgraph npm | All versions | 4.0.1 |
Products include Draw Draw.io Diagrams, Jgraph Mxgraph.
How do I fix CVE-2019-13127?
Upgrade mxgraph to 4.0.1 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-2019-13127 being exploited?
There is no known exploitation of CVE-2019-13127 in the wild and no public exploit code.
Sources
Also known as GHSA-xm59-jvxm-cp3v.