HD Quiz < 1.8.4 - Authenticated Stored XSS
Description
The plugin does not escape some of its Answers before outputting them in attribute when generating the Quiz, which could lead to Stored Cross-Site Scripting issues
Proof of Concept
Create or edit a Quiz, and put the following payload as an Answers of a "Multiple Choice: Text" Question: " autofocus onfocus=alert(/XSS/) " Then, the XSS will be triggered when viewing a page with the embed Quiz
Affects Plugins
Fixed in version 1.8.4✓
References
Classification
Miscellaneous
Original Researcher
Authenticated Stored XSS
Submitter
Asif Nawaz Minhas
Verified
Yes
Timeline
Publicly Published
2021-07-26 (about 2 months ago)
Added
2021-07-26 (about 2 months ago)
Last Updated
2021-08-10 (about 2 months ago)