Vulnerability in Maxsite Cms
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.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-87927?
- CVE-2026-87927 is a high-severity vulnerability in Maxsite Cms, classified under PHP Remote File Inclusion. CVSS score: 8.2/10. Published 2026-09-09.
- How severe is CVE-2026-87927?
- High severity. CVSS v3 base score is 8.2 out of 10.