CVE-2020-8823

Public Exploit

Description

htmlfile in lib/transport/htmlfile.js in SockJS before 0.3.0 is vulnerable to Reflected XSS via the /htmlfile c (aka callback) parameter.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.76% Top 30%
Vendor Advisory sockjs.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/theyiyibest/Reflected-XSS-on-SockJS exploit third party advisory patch
https://www.sockjs.org vendor advisory
https://snyk.io/vuln/SNYK-JS-SOCKJS-548397 third party advisory
https://github.com/theyiyibest/Reflected-XSS-on-SockJS/issues/1 third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-8823?
CVE-2020-8823 has been scored as a medium severity vulnerability.
How to fix CVE-2020-8823?
To fix CVE-2020-8823, 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-2020-8823 being actively exploited in the wild?
It is possible that CVE-2020-8823 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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