What’s Vulnerable › Vulnerabilities
CVE-2019-8400
- Severity: medium (CVSS 6.1 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.3% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-02-17 · updated 2026-06-17
- Weakness: CWE-79
Description
ORY Hydra before v1.0.0-rc.3+oryOS.9 has Reflected XSS via the oauth2/fallbacks/error error_hint parameter.
Affected products
- ory hydra: 0.1-beta1, 0.1-beta2, 0.1-beta3, 0.1-beta4, 0.2.0, 0.3.0 (+123)
References
- https://drive.google.com/file/d/1-25expUYVfK6vsiCmEabUCuelOP7aUDj/view?usp=drivesdk
- https://github.com/ory/hydra/blob/master/CHANGELOG.md#v100-rc3oryos9-2018-12-06
- https://github.com/ory/hydra/commit/9b5bbd48a72096930af08402c5e07fce7dd770f3
- https://hackerone.com/reports/456333
- https://www.youtube.com/watch?v=RIyZLeKEC8E
- https://drive.google.com/file/d/1-25expUYVfK6vsiCmEabUCuelOP7aUDj/view?usp=drivesdk
- https://github.com/ory/hydra/blob/master/CHANGELOG.md#v100-rc3oryos9-2018-12-06
- https://github.com/ory/hydra/commit/9b5bbd48a72096930af08402c5e07fce7dd770f3
- https://hackerone.com/reports/456333
- https://www.youtube.com/watch?v=RIyZLeKEC8E
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