CVE-2026-9197

Description

The Smart Slider 3 plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 3.5.1.36 via the replaceHTMLImage function. This makes it possible for authenticated attackers, with administrator-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information.

References

• https://plugins.trac.wordpress.org/browser/smart-slider-3/trunk/Nextend/SmartSlider3/Application/Admin/Slider/ControllerSlider.php#L261
• https://plugins.trac.wordpress.org/browser/smart-slider-3/trunk/Nextend/SmartSlider3/BackupSlider/ExportSlider.php#L312
• https://plugins.trac.wordpress.org/browser/smart-slider-3/trunk/Nextend/SmartSlider3/BackupSlider/ExportSlider.php#L404
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3552076%40smart-slider-3&new=3552076%40smart-slider-3&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/059c2d6d-1296-4463-96ae-a95ba7dad70a?source=cve