Is CVE-2026-93878 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-93878?

CVE-2026-93878 has a CVSS v3 severity of MEDIUM (6.4).

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CVE-2026-93878

Description

The DiviGear Carousel plugin for WordPress is vulnerable to Stored Cross-Site Scripting via update_license AJAX Action in all versions up to, and including, 5.2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload executes when an administrator visits the DiviGear > Activation settings page, where the unsanitized stored value is echoed unescaped into a single-quoted HTML value attribute.