The Contextual Related Posts WordPress plugin before 3.3.1 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
[
{
"vendor": "Unknown",
"product": "Contextual Related Posts",
"versions": [
{
"status": "affected",
"versionType": "custom",
"version": "0",
"lessThan": "3.3.1"
}
],
"defaultStatus": "unaffected",
"collectionURL": "https://wordpress.org/plugins"
}
]