CVE-2020-28487 Cross-site Scripting (XSS)
An attacker controlling timeline items can inject malicious scripts, leading to code execution in the context of the application using vis-timeline.
- 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-2020-28487?
CVE-2020-28487 is a medium-severity cross-site scripting vulnerability in vis-timeline, published on 22 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
This affects the package vis-timeline before 7.4.4. An attacker with the ability to control the items of a Timeline element can inject additional script code into the generated application.
Weakness: CWE-79
Which versions are affected by CVE-2020-28487?
2 open source packages ship an affected version, including vis-timeline. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
vis-timeline npm | All versions | 7.4.4 |
vis-timeline npm | All versions | 7.4.4 |
Products include Visjs Vis-Timeline.
How do I fix CVE-2020-28487?
Upgrade vis-timeline to 7.4.4 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-2020-28487 being exploited?
There is no known exploitation of CVE-2020-28487 in the wild and no public exploit code.
Sources
Also known as GHSA-9mrv-456v-pf22.