Vulnerability: CVE-2020-23839

A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage, allows remote attackers to execute JavaScript code in the client’s browser and harvest login credentials after a client clicks a link, enters credentials, and submits the login form.


https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-23839


It's possible to leave a comment as registered users to the site, accessing through social, wordpress account or as anonymous users. If you want to leave a comment as an anonymous user you will be notified by email of a possible response only if you enter the email address (optional). The insertion of any data in the comment fields is totally optional. Whoever decides to insert any data accepts the treatment of these last ones for the inherent purposes of the service that is the answer to the comment and the strictly necessary communications.


Leave a Reply