Newsletter 3.7.0 - Open Redirect

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Description
The Newsletter plugin is susceptible to an Open Redirect vulnerability. This issue is due to the fact user input it taken, and trusted, without validation.

This user input is used when tracking link clicks, via the ‘newsletter/statistics/link.php’ script. User input is Base64 encoded, and split on the ‘;’ character, the third column of which can be manipulated in order to control where the user is redirected to.

Affects

Plugin newsletter
fixed in version 3.8.3

References

URL https://research.g0blin.co.uk/g0blin-00039/
URL https://plugins.trac.wordpress.org/changeset/1190491/newsletter

Classification

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

Miscellaneous

Submitter James Hooker
Submitter Website https://research.g0blin.co.uk
Submitter Twitter g0blinResearch
Views 253
Verified No
WPVDB ID 7868

Timeline

Publicly Published 2015-03-30 (over 1 year ago)
Added 2015-03-30 (over 1 year ago)
Last Updated 2015-07-12 (over 1 year ago)

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