In OWASP AntiSamy before 1.5.5, by submitting a specially crafted input (a tag that supports style with active content), you could bypass the library protections and supply executable code. The impact is XSS.
{
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T21:18:23Z",
"nvd_published_at": "2016-12-24T18:59:00Z",
"severity": "MODERATE"
}