CVE-2018-16861

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

0.87% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 58.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:H/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

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2018-12-07 19:00Z7 YR AGO

Last updated

2024-08-05 10:32Z2 YR AGO

Reserved

2018-09-11

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.6)

CNA CVSS vector

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

Weaknesses

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

Data version

5.1

Document digest

473e2b8355b3dd584718ea271bf8532f30036040f736085b3c41e5891f68a95e

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16861x_refsource_CONFIRM
• access.redhat.comRHSA-2019:1222https://access.redhat.com/errata/RHSA-2019:1222vendor-advisoryx_refsource_REDHAT