WordPress <= 4.2.2 - Authenticated Stored Cross-Site Scripting (XSS)



Description
Authenticated Cross-Site Scripting (XSS) in post/page (text editor mode). Editor user and up.
Proof of Concept
<a href="[caption code=">]</a><a title=" onmouseover=alert('test')  ">link</a>

Affects WordPresses

fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.1.6
fixed in version 4.1.6
fixed in version 4.1.6
fixed in version 4.1.6
fixed in version 4.1.6
fixed in version 4.1.6
fixed in version 4.0.6
fixed in version 4.0.6
fixed in version 4.0.6
fixed in version 4.0.6
fixed in version 4.0.6
fixed in version 4.0.6
fixed in version 3.9.7
fixed in version 3.9.7
fixed in version 3.9.7
fixed in version 3.9.7
fixed in version 3.9.7
fixed in version 3.9.7
fixed in version 3.9.7
fixed in version 3.8.9
fixed in version 3.8.9
fixed in version 3.8.9
fixed in version 3.8.9
fixed in version 3.8.9
fixed in version 3.8.9
fixed in version 3.8.9
fixed in version 3.8.9
fixed in version 3.8.9
fixed in version 3.7.9
fixed in version 3.7.9
fixed in version 3.7.9
fixed in version 3.7.9
fixed in version 3.7.9
fixed in version 3.7.9
fixed in version 3.7.9
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3
fixed in version 4.2.3

References

CVE 2015-5622
CVE 2015-5623
URL https://wordpress.org/news/2015/07/wordpress-4-2-3/
URL https://twitter.com/klikkioy/status/624264122570526720
URL https://klikki.fi/adv/wordpress3.html

Classification

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

Miscellaneous

Submitter ethicalhack3r
Submitter Website https://dewhurstsecurity.com/
Submitter Twitter ethicalhack3r
Views 11246
Verified Yes
WPVDB ID 8111

Timeline

Publicly Published 2015-07-23 (over 4 years ago)
Added 2015-07-23 (over 4 years ago)
Last Updated 2019-10-22 (23 days ago)

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