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WordPress Plugin Vulnerabilities

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

hd-quiz
Fixed in version 1.8.4

References

CVE
CVE-2021-24571

Classification

Type

XSS

OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79

Miscellaneous

Original Researcher

Authenticated Stored XSS

Submitter

Asif Nawaz Minhas

Verified

Yes

WPVDB ID
377fd65f-3a8c-4f7a-9e40-046d52ec0eef

Timeline

Publicly Published

2021-07-26 (about 10 months ago)

Added

2021-07-26 (about 10 months ago)

Last Updated

2021-08-10 (about 9 months ago)

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