Description
WordPress Plugin Nifty Newsletters (Formerly Sola Newsletters) 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 Nifty Newsletters (Formerly Sola Newsletters) version 4.0.23 is vulnerable; prior versions may also be affected.
Remediation
Edit the source code to ensure that CSRF protection is implemented with Nonce-like mechanism or disable the plugin until a fix is available
References
Related Vulnerabilities
Java Multiple Vulnerabilities (CVE-2018-13785)
WordPress Plugin Slimstat Analytics Cross-Site Scripting (4.6.2)
IBM WebSEAL Session Fixation Vulnerability (CVE-2019-4152)
Apache HTTP Server Other Vulnerability (CVE-2003-0017)
Elgg Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-3733)