KingComposer - Authenticated Stored XSS



Description
An user with the Contributor or Author privileges can inject arbitrary Javascript code in a KC section. When an admin or editor opens the malicious KC section the arbitrary JS code runs. 

Affects Plugin

fixed in version 2.8.2

References

URL https://twitter.com/evaristegal0is/status/1120693553976565762
URL https://plugins.trac.wordpress.org/changeset/2073237/kingcomposer
URL https://plugins.trac.wordpress.org/changeset/2073348/kingcomposer

Classification

Type XSS
OWASP Top 10 A3: Cross-Site Scripting (XSS)
CWE CWE-79

Miscellaneous

Original Researcher Luigi
Submitter Luigi
Submitter Website https://www.gubello.me/blog/
Submitter Twitter @evaristegal0is
Views 5370
Verified No
WPVDB ID 9265

Timeline

Publicly Published 2019-04-23 (3 months ago)
Added 2019-04-30 (3 months ago)
Last Updated 2019-06-01 (about 2 months ago)