CVE-2019-12250

Public Exploit

Description

IdentityServer IdentityServer4 through 2.4 has stored XSS via the httpContext to the host/Extensions/RequestLoggerMiddleware.cs LogForErrorContext method, which can be triggered by viewing a log. NOTE: the software maintainer disputes that this is a vulnerability because the request logger is not part of IdentityServer but only our development test host

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/IdentityServer/IdentityServer4/issues/3279 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-12250?
CVE-2019-12250 has been scored as a medium severity vulnerability.
How to fix CVE-2019-12250?
To fix CVE-2019-12250, 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-2019-12250 being actively exploited in the wild?
It is possible that CVE-2019-12250 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.
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