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HIGH

CVE-2026-87927

CVSS v3

8.2

HIGH

EPSS Score

0.6 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-09
Last Modified
2026-09-09

Frequently asked questions

What is 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.

Is CVE-2026-87927 actively exploited?

Active exploitation of CVE-2026-87927 has not been confirmed. Its EPSS score was 0.6% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-87927?

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

Is CVE-2026-87927 affecting your environment?

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