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How it worksPricing
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WordPress Plugin Vulnerabilities

HTML5 Responsive FAQ <= 2.8.5 - Admin+ Stored Cross-Site Scripting

Description

The plugin does not properly sanitise and escape some of its settings, which could allow a high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed

Proof of Concept

Put the following payload in the "Text size of answer (in pixels)" settings: </style><script>alert('XSS');</script>

The XSS will be triggered in the footer of all frontend pages 

Affects Plugins

html5-responsive-faq
No known fix - plugin closed

References

CVE
CVE-2021-24995

Classification

Type

XSS

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

Miscellaneous

Original Researcher

José Aguilera

Submitter

José Aguilera

Submitter website
https://jsgm.dev
Verified

Yes

WPVDB ID
3caf0de0-57f2-4c87-8713-d00a7db9eeef

Timeline

Publicly Published

2021-11-23 (about 1 years ago)

Added

2022-02-15 (about 1 years ago)

Last Updated

2022-04-08 (about 1 years ago)

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