The Otter Blocks WordPress plugin before 2.6.6 does not properly escape its mainHeadings blocks’ attribute before appending it to the final rendered block, allowing contributors to conduct Stored XSS attacks.
[
{
"cpes": [
"cpe:2.3:a:themeisle:otter_blocks:-:*:*:*:*:*:*:*"
],
"vendor": "themeisle",
"product": "otter_blocks",
"versions": [
{
"status": "affected",
"version": "-"
}
],
"defaultStatus": "unknown"
}
]