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WordPress Plugin Vulnerabilities

Patreon WordPress < 1.7.2 - Reflected XSS on Login Form

Description

The Jetpack Scan team identified a Reflected Cross-Site Scripting in the Login Form of the plugin. The WordPress login form (wp-login.php) is hooked by the plugin and offers to allow users to authenticate on the site using their Patreon account. Unfortunately, some of the error logging logic behind the scene allowed user-controlled input to be reflected on the login page, unsanitized.

To successfully exploit this vulnerability, an attacker needs to trick his victim into visiting a booby-trapped link containing malicious Javascript code. Since Javascript runs in the victim’s browser context, an attacker can adjust the code hidden in that link to do whatever this user’s privileges allow him to.

If this attack succeeds against an administrator, the script can completely take over the site.  

Affects Plugins

patreon-connect
Fixed in version 1.7.2

References

CVE
CVE-2021-24228
URL
https://jetpack.com/2021/03/26/vulnerabilities-found-in-patreon-wordpress-plugin/

Classification

Type

XSS

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

Miscellaneous

Original Researcher

George Stephanis, Fioravante Souza, Miguel Neto, Benedict Singer and Marc Montpas

Submitter

Marc Montpas

Submitter website
https://jetpack.com
Submitter twitter
marcS0H
Verified

Yes

WPVDB ID
7a5fadb1-3f1c-4779-8ff6-356fccb5269b

Timeline

Publicly Published

2021-03-26 (about 2 years ago)

Added

2021-03-26 (about 2 years ago)

Last Updated

2021-03-28 (about 2 years ago)

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