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wpexploitLana CodesWPEX-ID:3E43156A-B784-4066-BE69-23B139AAFBAD
HistoryDec 27, 2022 - 12:00 a.m.

Easy Appointments < 3.11.2 - Contributor+ Stored XSS in Shortcode

2022-12-2700:00:00
Lana Codes
175
easy appointments exploit
stored xss
shortcode vulnerability
contributor+
full calendar

0.001 Low

EPSS

Percentile

23.3%

The plugin does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Exploit shortcode:

[ea_full_calendar column_header_format="'}); alert(1); jQuery('#xss').fullCalendar({xssVulnerable:'yes"]

0.001 Low

EPSS

Percentile

23.3%

Related for WPEX-ID:3E43156A-B784-4066-BE69-23B139AAFBAD