### [CVE-2023-0541](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0541) ![](https://img.shields.io/static/v1?label=Product&message=GS%20Books%20Showcase&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=0%3C%201.3.1%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Cross-Site%20Scripting%20(XSS)&color=brighgreen) ### Description 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 contributor role and above to perform Stored Cross-Site Scripting attacks. ### POC #### Reference - https://wpscan.com/vulnerability/8453e587-cc8c-491a-af09-fc4ab215134b #### Github No PoCs found on GitHub currently.