XSS in Ory Hydra
CVE-2019-8400
ORY Hydra before v1.0.0-rc.3+oryOS.9 has Reflected XSS via the oauth2/fallbacks/error error_hint parameter.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000
Affected products
- Ory Hydra — versions 0.1, 0.2.0, 0.3.0
Weakness classification (CWE)
References
- drive.google.com/file/d/1-25expUYVfK6vsiCmEabUCuelOP7aUDj/view (Third Party Advisory, Release Notes)
- www.youtube.com/watch (Exploit, Third Party Advisory)
- github.com/ory/hydra/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)
- hackerone.com/reports/456333 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/ory/hydra/commit/9b5bbd48a72096930af08402c5e07fce7dd770f3 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-8400?
- CVE-2019-8400 is a medium-severity vulnerability in Ory Hydra, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-02-17.
- How severe is CVE-2019-8400?
- Medium severity. CVSS v3 base score is 6.1 out of 10.