CVE-2026-87927

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.

  • Published Sep 9, 2026
  • CVSS 8.8 high
  • 0.6% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-87927 at the National Vulnerability Database