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MaxSite

Records19All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical5CVSS 9.0–10.0
CVSS high2CVSS 7.0–8.9

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MaxSite records in CISA KEV

No MaxSite vulnerabilities are listed in CISA KEV.

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19 records

Priority HIGH 81

MaxSite CMS through 109.6 ships with a hardcoded session encryption key in application/config/config.php that is never changed during installation, allowing unauthenticated attackers to forge administrator session cookie…

CVSS 4.0CRITICAL 9.3 Network No auth No interaction EPSS 0.00527 Published 2026-09-09 No fix listed CWE-321
Priority HIGH 77

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 pa…

CVSS 4.0HIGH 8.8 Network No auth No interaction EPSS 0.00588 Published 2026-09-09 No fix listed CWE-98
Priority HIGH 75

MaxSite CMS through 109.6 passes the ci_session cookie to unserialize() without class restrictions, allowing unauthenticated attackers to inject PHP objects.

CVSS 4.0CRITICAL 9.2 Network No auth No interaction EPSS 0.00606 Published 2026-09-09 No fix listed CWE-502
Priority MEDIUM 55

A vulnerability was found in MaxSite CMS up to 109.3.

CVSS 4.0MEDIUM 4.8 Network High privileges User interaction EPSS 0.00215 Published 2026-04-26 Fixed in 109.4 CWE-79
Priority MEDIUM 55

A security vulnerability has been detected in MaxSite CMS up to 109.3.

CVSS 4.0MEDIUM 4.8 Network High privileges User interaction EPSS 0.00215 Published 2026-04-26 Fixed in 109.4 CWE-79
Priority MEDIUM 51

MaxSite CMS contains a PHP object injection vulnerability that allows unauthenticated attackers to execute arbitrary code by passing attacker-controlled serialized data in the maxsite_comuser cookie directly to unseriali…

CVSS 4.0CRITICAL 9.3 Network No auth No interaction EPSS 0.01233 Published 2026-08-04 Fixed in 109.6 CWE-502
Priority MEDIUM 51

MaxSite CMS contains a remote code execution vulnerability that allows unauthenticated attackers to inject arbitrary PHP code into the application configuration file by submitting crafted POST requests to the install end…

CVSS 4.0CRITICAL 9.3 Network No auth No interaction EPSS 0.01274 Published 2026-08-04 Fixed in 109.6 CWE-94
Priority MEDIUM 50

MaxSite CMS 109.5 and earlier contains an authentication bypass vulnerability in the AJAX dispatcher that allows unauthenticated attackers to access admin-gated endpoints by supplying any X-Requested-With header and requ…

CVSS 4.0CRITICAL 9.3 Network No auth No interaction EPSS 0.00826 Published 2026-08-04 Fixed in 109.6 CWE-306
Priority LOW 23

MaxSite CMS versions 0.94 through 109.6 contain a cross-site scripting vulnerability in the admin_page upload handler that allows any logged-in user to upload HTML files.

CVSS 4.0MEDIUM 5.1 Network Low privileges User interaction EPSS 0.00298 Published 2026-09-09 No fix listed CWE-434
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