What’s Vulnerable › Vulnerabilities
CVE-2026-76789: Slider Hero < 9.1.3 - Unauthenticated Stored XSS via Slider Type Change and Add-Slider Handlers
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-22 · updated 2026-10-12
- Weakness: CWE-79
Description
The Slider Hero with Video Background, Animation WordPress plugin before 9.1.3 does not have authorisation and nonce checks on two of its request handlers, and does not escape a stored setting before outputting it, allowing unauthenticated users to store malicious JavaScript which will be executed in the context of an administrator viewing the Slider Hero with Video Background, Animation WordPress plugin before 9.1.3's admin area, as well as any visitor of a page embedding a slider.
Affected products
- Slider Hero with Video Background, Animation: before 9.1.3 — fixed in 9.1.3
How to fix
Upgrade to a fixed version: Slider Hero with Video Background, Animation 9.1.3. Check the vendor advisory for mitigations.
References
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