🛡️ CVE-2019-8400 — hydra

⚪ Unknown ✅ No Known Exploit CWE-79 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Hydra has Reflected XSS via error_hint parameter in github.com/ory/hydra

Hydra has Reflected XSS via error_hint parameter in github.com/ory/hydra.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/ory/hydra before v1.4.8.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2019-8400 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2019-8400 is recorded against 1 package.

  • github.com/ory/hydra

Timeline and source

Published on 14 May 2022 and last revised on 26 March 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
hackerone.com (Web)
drive.google.com (Web)
github.com (Package)
github.com (Web)
www.youtube.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit ✅ No
Source OSV
Published 2022-05-14
Updated 2026-08-12
Modified 2026-03-26

Affected Packages

Software From version Fixed in
github.com/ory/hydra — —

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