6.1

CVE-2018-11627: redhat cloudforms Cross-site Scripting

CVSS: 6.1v3.0MediumModified
AliasesRHSA-2019:0315UBUNTU-CVE-2018-11627openSUSE-SU-2024:12033-1
Published 31-05-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-11627 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in redhat cloudforms. EPSS estimates a 2.16% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.0 (NVD)
EPSS score
2.16%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 31-05-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.16%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

-0.03 pp

From 2.19% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Sinatra

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Redhat11 products
  • cloudforms4.6 | 4.7
  • cfme< 0:5.9.8.1-1.el7cf
  • cfme-amazon-smartstate< 0:5.9.8.1-1.el7cf
  • cfme-appliance< 0:5.9.8.1-1.el7cf
  • cfme-appliance-common< 0:5.9.8.1-1.el7cf
Opensuse1 product
  • rubygem-sinatra&distro=openSUSE Tumbleweed< 2.2.0-1.1
RubyGems1 product
  • sinatra≥ 2.0.0, < 2.0.2
Sinatrarb1 product
Ubuntu1 product
  • ruby-sinatra< 2.0.8.1-1 | < 2.0.8.1-2

5 vendors · 15 products

References

24 links
Show all 24 references