https://wpscan.com/vulnerability/18ab1570-2b4a-48a4-86e6-c1d368563691

The Popular Brand Icons – Simple Icons WordPress plugin before 2.7.8 does not sanitise or validate some of its shortcode parameters, such as "color", "size" or "class", allowing users with a role as low as Contributor to set Cross-Site payload in them. A post made by a contributor would still have to be approved by an admin to have the XSS triggered in the frontend, however, higher privilege users, such as editor could exploit this without the need of approval, and even when the blog disallows

The Popular Brand Icons – Simple Icons WordPress plugin before 2.7.8 does not sanitise or validate some of its shortcode parameters, such as "color", "size" or "class", allowing users with a role as low as Contributor to set Cross-Site payload in them. A post made by a contributor would still have to be approved by an admin to have the XSS triggered in the frontend, however, higher privilege users, such as editor could exploit this without the need of approval, and even when the blog disallows t

NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N)

OR
     *cpe:2.3:a:thememason:popular_brand_icons_-_simple_icons:*:*:*:*:*:wordpress:*:* versions up to (excluding) 2.7.8

https://wpscan.com/vulnerability/18ab1570-2b4a-48a4-86e6-c1d368563691 No Types Assigned

https://wpscan.com/vulnerability/18ab1570-2b4a-48a4-86e6-c1d368563691 Exploit, Third Party Advisory

Victim must voluntarily interact with attack mechanism