CVE-2018-11627

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

2.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.6% 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

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

2018-05-31 19:00Z8 YR AGO

Last updated

2024-08-05 08:17Z2 YR AGO

Reserved

2018-05-31

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

82e874a42b64cf04825a9ee95ef8fda9ae552ed3394a9133a87b9abe65165f19

• github.comhttps://github.com/sinatra/sinatra/issues/1428x_refsource_MISC
• access.redhat.comRHSA-2019:0315https://access.redhat.com/errata/RHSA-2019:0315vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:0212https://access.redhat.com/errata/RHSA-2019:0212vendor-advisoryx_refsource_REDHAT
• github.comhttps://github.com/sinatra/sinatra/commit/12786867d6faaceaec62c7c2cb5b0e2dc074d71ax_refsource_MISC