The WP Popups WordPress plugin before 2.1.4.8 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.
[
{
"vendor": "Unknown",
"product": "WP Popups",
"versions": [
{
"status": "affected",
"versionType": "custom",
"version": "0",
"lessThan": "2.1.4.8"
}
],
"defaultStatus": "unaffected",
"collectionURL": "https://wordpress.org/plugins"
}
]