CVE-2018-11627: redhat cloudforms Cross-site Scripting
CVSS: 6.1v3.0MediumModified
AliasesRHSA-2019:0315UBUNTU-CVE-2018-11627openSUSE-SU-2024:12033-1GHSA-mq35-wqvf-r23c
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.
CVSS score
6.1/10
010
Medium · v3.0 (NVD)EPSS score
2.16%
0%100%
Low · -0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 31-05-2018PublishedVulnerability first disclosed.
- 05-08-2024Last 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 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 4 agree
- OSV · Red hatEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · RubygemsEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
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 score2.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundSinatra
Maturity: poc
Weaknesses
CWE · root causeAffected 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
- sinatra< 2.0.2
Ubuntu1 product
- ruby-sinatra< 2.0.8.1-1 | < 2.0.8.1-2
5 vendors · 15 products
References
24 links- access.redhat.com/errata/RHSA-2019:0315Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisoryWEB
- github.com/sinatra/sinatra/commit/12786867d6faaceaec62c7c2cb5b0e2dc074d71aX Refsource MISCPatchThird Party AdvisoryREPORTWEB
Show all 24 references
- github.com/sinatra/sinatraPACKAGE