The WP RSS Aggregator WordPress plugin before 4.20 does not sanitise and escape the id parameter in the wprss_fetch_items_row_action AJAX action before outputting it back in the response, leading to a Reflected Cross-Site Scripting
[
{
"product": "WP RSS Aggregator – News Feeds, Autoblogging, Youtube Video Feeds and More",
"vendor": "Unknown",
"versions": [
{
"lessThan": "4.20",
"status": "affected",
"version": "4.20",
"versionType": "custom"
}
]
}
]