Description
WordPress Plugin Popup, Optin Form & Email Newsletters for Mailchimp, HubSpot, Aweber-MailOptin is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. WordPress Plugin Popup, Optin Form & Email Newsletters for Mailchimp, HubSpot, Aweber-MailOptin version 1.2.19.1 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.2.20.0 or latest
References
Related Vulnerabilities
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Drupal Core 4.5.x Multiple Vulnerabilities (4.5.0 - 4.5.5)
Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2011-4589)