CVE-2026-87927
High
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.
SeverityHigh
CVSS8.2
Exploit probability—
Product
MaxSite CMS
PublishedSep 9, 2026
First seenSep 9, 2026
Weakness typeCWE-98CWE-98
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| MaxSite MaxSite CMS | 0.78 ≤ v ≤ 109.6 | — |
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