WordPress Newspack Newsletters Plugin <= 3.13.0 is vulnerable to Open Redirection
Low priority Mitigation unnecessary
<= 3.13.0Vulnerable version(s)
3.14.0Fixed version
5 Jun, 2025
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CVSS 4.74.7
Open Redirection
This could allow a malicious actor to redirect users from one site to the other due to the redirect URL not being validated. Users could be tricked to visiting a legitimate site to then be redirected to a malicious site and cause a phishing incident.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
Solutions
This security issue has a low severity impact and is unlikely to be exploited.
Update to version 3.14.0 or later.
Update to version 3.14.0 or later to remove the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.
Details
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Timeline
4 Jun, 2025
Early warning sent out to Patchstack customers
5 Jun, 2025
Published by Patchstack
5 Jun, 2025