Versions of jingo prior to 1.9.2 are vulnerable to Cross-Site Scripting (XSS). If malicious input such as <script>alert(1)</script> is placed in the content of a wiki page, Jingo does not properly encode the input and it is executed instead of rendered as text.
Upgrade to version 1.9.2
{
"github_reviewed": true,
"github_reviewed_at": "2020-08-31T18:34:28Z",
"nvd_published_at": null,
"severity": "HIGH",
"cwe_ids": [
"CWE-79"
]
}