WordPress Plugin Vulnerabilities

Live Composer < 2.1.24 - Contributor+ Stored XSS via Module Area Shortcode

Description

The plugin does not escape several attributes of one of its page-builder shortcodes before outputting them inside HTML tag attributes, allowing users with the Contributor role and above to store a payload that executes in the browser of anyone who views the post, including an administrator reviewing the pending submission.

Proof of Concept

Affects Plugins

References

Classification

Type
XSS
CWE

Miscellaneous

Original Researcher
Enrico Marcolini, Claudio Marchesini, Dottor Marc
Submitter
Enrico Marcolini, Claudio Marchesini, Dottor Marc
Submitter website
Verified
Yes

Timeline

Publicly Published
2026-11-09 (about 2 days ago)
Added
2026-11-09 (about 1 day ago)
Last Updated
2026-11-09 (about 1 day ago)

Other