Threat intelligence

Smart Slider 3 <= 3.5.1.38 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'slider' Block Attribute

CVE-2026-15798 · smart-slider-3

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Smart Slider 3 at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Smart Slider 3 <= 3.5.1.38 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'slider' Block Attribute
Affected software: smart-slider-3(Plugin)
Affected versions: ≤ 3.5.1.38
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-15798
Published: 27 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory d5c045e2-a6be-425f-a4f3-1e79badf738b). Methodology and redistribution notes

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