CVE-2019-8400

Public Exploit

Description

ORY Hydra before v1.0.0-rc.3+oryOS.9 has Reflected XSS via the oauth2/fallbacks/error error_hint parameter.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.34%
Third-Party Advisory google.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory hackerone.com Third-Party Advisory youtube.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://drive.google.com/file/d/1-25expUYVfK6vsiCmEabUCuelOP7aUDj/view?usp=drivesdk third party advisory release notes
https://www.youtube.com/watch?v=RIyZLeKEC8E third party advisory exploit
https://github.com/ory/hydra/blob/master/CHANGELOG.md#v100-rc3oryos9-2018-12-06 third party advisory release notes
https://hackerone.com/reports/456333 third party advisory issue tracking exploit
https://github.com/ory/hydra/commit/9b5bbd48a72096930af08402c5e07fce7dd770f3 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2019-8400?
CVE-2019-8400 has been scored as a medium severity vulnerability.
How to fix CVE-2019-8400?
To fix CVE-2019-8400, 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-2019-8400 being actively exploited in the wild?
It is possible that CVE-2019-8400 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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