The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on multiple user privilege/security functions provided in versions up to, and including 4.3.17. This makes it possible for low-privileged attackers, like subscribers, to perform restricted actions that would be otherwise locked to a administrative-level user.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NextScripts NextScripts social-networks-auto-poster-facebook-twitter-g allows DOM-Based XSS.This issue affects NextScripts: from n/a through <= 4.4.7.
The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.4.3 via the 'nxs_getExpSettings' function. This makes it possible for authenticated attackers, with subscriber access and above, to extract sensitive data including social network API keys and secrets.
The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the HTTP_USER_AGENT header in all versions up to, and including, 4.4.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the victim to select view "All Cron Events" in order for the injection to fire.
The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.4.3. This is due to missing or incorrect nonce validation on the nxssnap-reposter page. This makes it possible for unauthenticated attackers to delete arbitrary posts or pages via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NextScripts NextScripts: Social Networks Auto-Poster allows Reflected XSS.This issue affects NextScripts: Social Networks Auto-Poster: from n/a through 4.4.2.
The NextScripts: Social Networks Auto-Poster WordPress plugin before 4.3.25 does not have CSRF check in place when deleting items, allowing attacker to make a logged in admin delete arbitrary posts via a CSRF attack
The NextScripts: Social Networks Auto-Poster WordPress plugin before 4.3.24 does not sanitise and escape logged requests before outputting them in the related admin dashboard, leading to an Unauthenticated Stored Cross-Site Scripting issue
The NextScripts: Social Networks Auto-Poster <= 4.3.20 WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the $_REQUEST['page'] parameter which is echoed out on inc/nxs_class_snap.php by supplying the appropriate value 'nxssnap-post' to load the page in $_GET['page'] along with malicious JavaScript in $_POST['page'].
The social-networks-auto-poster-facebook-twitter-g plugin before 4.2.8 for WordPress has wp-admin/admin.php?page=nxssnap-reposter&action=edit item XSS.