plugin
5 known security issues reported for the Timeline And History Slider WordPress plugin. Most recent disclosed Apr 9, 2026.
Running Timeline And History Slider on your site? Check whether your installed version is affected.
Scan your site freeAll plugins by Essentialplugin for WordPress are vulnerable to an injected backdoor in various versions. This is due to the plugin being sold to a malicious threat actor that embedded a backdoor in all of the plugin's they acquired. This makes it possible for the threat actor to maintain a persistent backdoor and injec...
[en] Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in WP OnlineSupport, Essential Plugin Timeline and History slider allows PHP Local File Inclusion.This issue affects Timeline and History slider: from n/a through 2.3.
The Timeline and History slider plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 2.3 via the 'design' attribute of the plugin's shortcode. This makes it possible for authenticated attackers, with Contributor-level access and above, to include and execute arbitrary files o...
Multiple WPOnlineSupport plugins for WordPress are vulnerable to unauthorized modification of data due to a missing capability check on the wpos_anylc_admin_init_process() function hooked via admin_init in various versions. This makes it possible for unauthenticated attackers to dismiss a license notice.
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