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.
{
"severity": "MODERATE",
"cwe_ids": [
"CWE-79"
],
"nvd_published_at": null,
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T22:02:30Z"
}