Is CVE-2026-15821 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-15821?

CVE-2026-15821 has a CVSS v3 severity of MEDIUM (6.4).

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CVE-2026-15821

Description

The SureDash – Community, Courses & Member Dashboard plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 1.10.0 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.