Description
WordPress Plugin Helpful is prone to an information disclosure vulnerability. Attackers can exploit this issue to obtain sensitive information that may help in launching further attacks. WordPress Plugin Helpful version 4.5.25 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 4.5.26 or latest
References
Related Vulnerabilities
OpenSSL Observable Differences in Behavior to Error Inputs Vulnerability (CVE-2018-5407)
PHP Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2015-3412)
WordPress Plugin MailPoet Newsletters (Previous) Unspecified Vulnerability (2.7.8)
WordPress Plugin Simple:Press 'sf-header-forum.php' SQL Injection (4.3.0)