CVE-2019-8400

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.32% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 68.8% of scored records. A rank, not a probability.

NVD base score

6.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-02-17 06:00Z7 YR AGO

Last updated

2024-08-04 21:17Z2 YR AGO

Reserved

2019-02-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

22358747d5055671e1ca729be9a782b6e6cd0215b1f7510c641ea851e640429c

• drive.google.comhttps://drive.google.com/file/d/1-25expUYVfK6vsiCmEabUCuelOP7aUDj/view?usp=drivesdkx_refsource_MISC
• www.youtube.comhttps://www.youtube.com/watch?v=RIyZLeKEC8Ex_refsource_MISC
• github.comhttps://github.com/ory/hydra/blob/master/CHANGELOG.md#v100-rc3oryos9-2018-12-06x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/456333x_refsource_MISC
• github.comhttps://github.com/ory/hydra/commit/9b5bbd48a72096930af08402c5e07fce7dd770f3x_refsource_MISC