CVE-2026-9197: Smart Slider 3 <= 3.5.1.36 - Authenticated (Administrator+) Path Traversal to Arbitrary File Read via 'src'/'srcset' Attribute in HTML Export

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-06 · updated 2026-07-23
Weakness: CWE-22

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.

Affected products

nextendweb Smart Slider 3: through 3.5.1.36

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

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