WordPress plugin
Serious Slider security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 5 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium5
- Low0
All Serious Slider vulnerabilities
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Serious Slider: common questions
Does Serious Slider have known vulnerabilities?
Yes. VulnCrest Radar lists 5 known vulnerabilities in Serious Slider: 5 medium. None are known to affect version null.
How do I check which version of Serious Slider I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Serious Slider vulnerability?
CVE-2026-15726, published Aug 15, 2026: Serious Slider <= 1.4.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'theme' Shortcode Attribute. Severity: Medium (CVSS 6.4).
Is any Serious Slider vulnerability listed in CISA KEV?
No. None of the known Serious Slider vulnerabilities is currently listed in the CISA KEV catalog.