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CVE-2026-70554

🗓️ 04 Aug 2026 20:11:55Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

CVE-2026-70554 affects MaxSite CMS. It describes an unauthenticated PHP object injection via the maxsite_comuser cookie, where unvalidated serialized data is passed directly to unserialize(), allowing an attacker to reconstruct object graphs and t...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-70554
4 Aug 202621:14
circl
cvelist
Cvelist
CVE-2026-70554 MaxSite CMS Unauthenticated PHP Object Injection via maxsite_comuser Cookie
4 Aug 202620:11
cvelist
euvd
EUVD
EUVD-2026-52894
4 Aug 202620:11
euvd
nvd
NVD
CVE-2026-70554
4 Aug 202621:16
nvd
Vulners
Node
maxsitemaxsite_cmsRange0.78109.5
[
  {
    "defaultStatus": "affected",
    "vendor": "MaxSite",
    "product": "MaxSite CMS",
    "versions": [
      {
        "status": "affected",
        "version": "0.78",
        "versionType": "custom",
        "lessThanOrEqual": "109.5"
      },
      {
        "status": "unaffected",
        "version": "109.6",
        "versionType": "custom"
      }
    ]
  }
]

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04 Aug 2026 21:16Current
6.8Medium risk
Vulners AI Score6.8
CVSS 49.3
CVSS 3.19.8
7