Is CVE-2026-87927 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-87927?

CVE-2026-87927 has a CVSS v3 severity of HIGH (8.2).

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CVE-2026-87927

Description

MaxSite CMS through 109.6 contains a local file inclusion vulnerability in the ajax and require-maxsite dispatchers that allows unauthenticated attackers to execute privileged handler files by supplying base64-encoded path traversal sequences. Attackers can bypass path validation checks and execute admin-gated handler actions without authentication to access sensitive functionality.