Sinatra
CVE-2018-11627
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception.
AnalysisAI
Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception. Affected products include: Sinatrarb Sinatra, Redhat Cloudforms. Version information: before 2.0.2.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Sinatra is a domain-specific language for creating web applications in Ruby. Rated high severity (CVSS 8.8), this vulner
Sinatra before 2.2.0 does not validate that the expanded path matches public_dir when serving static files. Rated high s
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in sinatrateam
An issue was discovered in rack-protection/lib/rack/protection/path_traversal.rb in Sinatra 2.x before 2.0.1 on Windows.
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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