Threat intelligence

Serious Slider <= 1.4.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'theme' Shortcode Attribute

CVE-2026-15726 · cryout-serious-slider

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

Vulnerability: Serious Slider <= 1.4.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'theme' Shortcode Attribute
Affected software: cryout-serious-slider(Plugin)
Affected versions: ≤ 1.4.0
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-15726
Published: 15 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 c8f45054-e6a4-403b-94eb-2dd2a4840c22). Methodology and redistribution notes

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