CVE-2021-23443

Public Exploit
Cross-site Scripting (XSS)

Description

This affects the package edge.js before 5.3.2. A type confusion vulnerability can be used to bypass input sanitization when the input to be rendered is an array (instead of a string or a SafeValue), even if {{ }} are used.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory github.com Third-Party Advisory snyk.io
Affected: n/a edge.js
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-JS-EDGEJS-1579556 exploit third party advisory patch
https://github.com/edge-js/edge/commit/fa2c7fde86327aeae232752e89a6e37e2e469e21 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-23443?
CVE-2021-23443 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23443?
To fix CVE-2021-23443, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23443 being actively exploited in the wild?
It is possible that CVE-2021-23443 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23443?
CVE-2021-23443 affects n/a edge.js.
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