GitHub Advisoryadvisory · RubyGems

GHSA-x7p2-x2j6-mwhr Gemirro Stored XSS in Gemspec "homepage" value

MEDIUM Published 2017-11-29 Modified 2023-08-29 Official page ↗
Aliases
CVE-2017-16833
Ecosystem
RubyGems
Packages
gemirro
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79
Reviewed
2020-06-16

Affected packages

• RubyGems gemirro: < 0.16.0 → fixed in 0.16.0

Description

Stored cross-site scripting (XSS) vulnerability in Gemirro before 0.16.0 allows attackers to inject arbitrary web script via a crafted javascript: URL in the "homepage" value of a ".gemspec" file. A ".gemspec" file must be created with a JavaScript URL in the homepage value. This can be used to build a gem for upload to the Gemirro server, in order to achieve stored XSS via the author name hyperlink.

Related

Alias · CVE (1)

  • CVE-2017-16833 Stored cross-site scripting (XSS) vulnerability in Gemirro before 0.16.0 allows attackers to inject arbitrary web script via a crafted… vulnerability

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References