GHSA-388g-jwpg-x6j4 Cross-Site Scripting in swagger-ui
Attackers can execute arbitrary JavaScript in Swagger UI by providing malicious YAML content, requiring user interaction to trigger.
- 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 GHSA-388g-jwpg-x6j4?
GHSA-388g-jwpg-x6j4 is a cross-site scripting vulnerability in swagger-ui, published on 11 Sep 2020. 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
Versions of swagger-ui prior to 3.0.13 are vulnerable to Cross-Site Scripting (XSS). The package fails to sanitize YAML files imported from URLs or copied-pasted. This may allow attackers to execute arbitrary JavaScript.
Recommendation
Upgrade to version 3.0.13 or later.
Which versions are affected by GHSA-388g-jwpg-x6j4?
2 open source packages ship an affected version, including swagger-ui.
| Package | Affected | Fixed in |
|---|---|---|
swagger-ui npm | All versions | 3.0.13 |
swagger-ui npm | All versions | 3.0.13 |
How do I fix GHSA-388g-jwpg-x6j4?
Upgrade swagger-ui to 3.0.13 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 GHSA-388g-jwpg-x6j4 being exploited?
There is no known exploitation of GHSA-388g-jwpg-x6j4 in the wild and no public exploit code.