The GS Books Showcase WordPress plugin before 1.3.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the…
CVSS 3.1MEDIUM 6.8·Network·High privileges·User interaction·EPSS 0.00608·Published 2023-02-21·Fixed in 1.3.1