The PrePost SEO WordPress plugin through 3.0 does not properly sanitize some of its settings, which could allow high-privilege users to perform Stored Cross-Site Scripting (XSS) attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
[
{
"vendor": "Unknown",
"product": "PrePost SEO",
"versions": [
{
"status": "affected",
"versionType": "custom",
"version": "0",
"lessThanOrEqual": "3.0"
}
],
"defaultStatus": "affected",
"collectionURL": "https://wordpress.org/plugins"
}
]