What’s Vulnerable › Vulnerabilities

CVE-2026-14876: Smart Slider 3 <= 3.5.1.38 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-href' Attribute in Custom HTML Block

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-30 · updated 2026-09-30
• Weakness: CWE-79

Description

The Smart Slider 3 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'data-href' parameter in all versions up to, and including, 3.5.1.38 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• nextendweb Smart Slider 3: through 3.5.1.38

References

• https://plugins.trac.wordpress.org/changeset/3654530/smart-slider-3
• https://www.wordfence.com/threat-intel/vulnerabilities/id/5d882db3-b92e-4b3b-a07e-fa30fed85364?source=cve

Get alerted when CVE-2026-14876 or the next vulnerability affects your stack