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CVE-2026-85385 Concrete CMS below 9.5.4 is vulnerable to Stored XSS via User Timezone Field

🗓️ 16 Sep 2026 16:30:28Reported by ConcreteCMSType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

Stored XSS in Concrete CMS below 9.5.4 via unvalidated uTimezone field rendered in Dashboard.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-85385
17 Sep 202604:40
–circl
cve
CVE
CVE-2026-85385
16 Sep 202616:30
–cve
euvd
EUVD
EUVD-2026-80877
16 Sep 202616:30
–euvd
nvd
NVD
CVE-2026-85385
16 Sep 202617:18
–nvd
ptsecurity
Positive Technologies
PT-2026-93846
16 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-85385: Improper Neutralization of Input During Web Page Generation
16 Sep 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-85385 Concrete CMS below 9.5.4 is vulnerable to Stored XSS via User Timezone Field
16 Sep 202616:30
–vulnrichment
[
  {
    "vendor": "Concrete CMS",
    "product": "Concrete CMS",
    "collectionURL": "https://github.com/concretecms/concretecms",
    "repo": "https://github.com/concretecms/concretecms",
    "versions": [
      {
        "status": "affected",
        "version": "5.0.0",
        "lessThanOrEqual": "9.5.3",
        "versionType": "git"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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16 Sep 2026 16:30Current
CVSS 47.7
EPSS0.00502
SSVC
47