GHSA-9xr8-8hmc-389f Cross-Site Scripting in vant
Attackers can execute arbitrary JavaScript in victims' browsers via unsanitized text in the Picker component of the vant library.
- 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-9xr8-8hmc-389f?
GHSA-9xr8-8hmc-389f is a cross-site scripting vulnerability in vant, published on 22 Nov 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
Versions of vant prior to 2.1.8 are vulnerable to Cross-Site Scripting. The text value of the Picker component column is not sanitized, which may allow attackers to execute arbitrary JavaScript in a victim's browser.
Recommendation
Upgrade to version 2.1.8 or later.
Which versions are affected by GHSA-9xr8-8hmc-389f?
2 open source packages ship an affected version, including vant.
| Package | Affected | Fixed in |
|---|---|---|
vant npm | All versions | 2.1.8 |
vant npm | All versions | 2.1.8 |
How do I fix GHSA-9xr8-8hmc-389f?
Upgrade vant to 2.1.8 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-9xr8-8hmc-389f being exploited?
There is no known exploitation of GHSA-9xr8-8hmc-389f in the wild and no public exploit code.