CVE-2019-8400
UnknownEPSS 1.32%
Last modified
CVE-2019-8400 is a vulnerability of currently unknown severity. ORY Hydra before v1.0.0-rc.3+oryOS.9 has Reflected XSS via the oauth2/fallbacks/error error_hint parameter.. EPSS estimates a 1.32% chance of exploitation in the next 30 days.
Description
ORY Hydra before v1.0.0-rc.3+oryOS.9 has Reflected XSS via the oauth2/fallbacks/error error_hint parameter.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Ory | Hydra | 0.1 | Beta1 |
| Ory | Hydra | 0.2.0 | — |
| Ory | Hydra | 0.3.0 | — |
| Ory | Hydra | 0.3.1 | — |
| Ory | Hydra | 0.4.0 | — |
| Ory | Hydra | 0.4.1 | — |
| Ory | Hydra | 0.4.2 | — |
| Ory | Hydra | 0.4.3 | — |
| Ory | Hydra | 0.5.0 | — |
| Ory | Hydra | 0.5.1 | — |
| Ory | Hydra | 0.5.2 | — |
| Ory | Hydra | 0.5.3 | — |
| Ory | Hydra | 0.5.4 | — |
| Ory | Hydra | 0.5.5 | — |
| Ory | Hydra | 0.5.6 | — |
| Ory | Hydra | 0.5.7 | — |
| Ory | Hydra | 0.5.8 | — |
| Ory | Hydra | 0.6.0 | — |
| Ory | Hydra | 0.6.1 | — |
| Ory | Hydra | 0.6.2 | — |
| Ory | Hydra | 0.6.3 | — |
| Ory | Hydra | 0.6.4 | — |
| Ory | Hydra | 0.6.5 | — |
| Ory | Hydra | 0.6.6 | — |
| Ory | Hydra | 0.6.7 | — |
| Ory | Hydra | 0.6.8 | — |
| Ory | Hydra | 0.6.9 | — |
| Ory | Hydra | 0.6.10 | — |
| Ory | Hydra | 0.7.0 | — |
| Ory | Hydra | 0.7.1 | — |
| Ory | Hydra | 0.7.2 | — |
| Ory | Hydra | 0.7.3 | — |
| Ory | Hydra | 0.7.4 | — |
| Ory | Hydra | 0.7.5 | — |
| Ory | Hydra | 0.7.6 | — |
| Ory | Hydra | 0.7.7 | — |
| Ory | Hydra | 0.7.8 | — |
| Ory | Hydra | 0.7.9 | — |
| Ory | Hydra | 0.7.10 | — |
| Ory | Hydra | 0.7.11 | — |
| Ory | Hydra | 0.7.12 | — |
| Ory | Hydra | 0.7.13 | — |
| Ory | Hydra | 0.8.0 | — |
| Ory | Hydra | 0.8.1 | — |
| Ory | Hydra | 0.8.2 | — |
| Ory | Hydra | 0.8.3 | — |
| Ory | Hydra | 0.8.4 | — |
| Ory | Hydra | 0.8.5 | — |
| Ory | Hydra | 0.8.6 | — |
| Ory | Hydra | 0.8.7 | — |
Showing 50 of 90 affected configurations. See NVD for the full list.
References
- https://drive.google.com/file/d/1-25expUYVfK6vsiCmEabUCuelOP7aUDj/view?usp=drivesdkRelease Notes, Third Party Advisory
- https://github.com/ory/hydra/blob/master/CHANGELOG.md#v100-rc3oryos9-2018-12-06Release Notes, Third Party Advisory
- https://github.com/ory/hydra/commit/9b5bbd48a72096930af08402c5e07fce7dd770f3Patch, Third Party Advisory
- https://hackerone.com/reports/456333Exploit, Issue Tracking, Third Party Advisory
- https://www.youtube.com/watch?v=RIyZLeKEC8EExploit, Third Party Advisory
- https://drive.google.com/file/d/1-25expUYVfK6vsiCmEabUCuelOP7aUDj/view?usp=drivesdkRelease Notes, Third Party Advisory
- https://github.com/ory/hydra/blob/master/CHANGELOG.md#v100-rc3oryos9-2018-12-06Release Notes, Third Party Advisory
- https://github.com/ory/hydra/commit/9b5bbd48a72096930af08402c5e07fce7dd770f3Patch, Third Party Advisory
- https://hackerone.com/reports/456333Exploit, Issue Tracking, Third Party Advisory
- https://www.youtube.com/watch?v=RIyZLeKEC8EExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-8400?
ORY Hydra before v1.0.0-rc.3+oryOS.9 has Reflected XSS via the oauth2/fallbacks/error error_hint parameter.
How severe is CVE-2019-8400?
Severity scoring for CVE-2019-8400 is pending analysis. The EPSS model estimates a 1.32% probability of exploitation in the next 30 days.
How do I fix CVE-2019-8400?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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