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CVE-2026-8203

🗓️ 05 Jun 2026 19:11:32Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 1 Views

Stored cross-site scripting in Concrete CMS versions 9.5.0 and earlier via unvalidated height parameter exploited by editors.

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Refs
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CVE-2026-8203 Concrete CMS 9.5.0 and below has Stored XSS on the height parameter
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21 May 202600:00
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CVE-2026-8203 Concrete CMS 9.5.0 and below has Stored XSS on the height parameter
21 May 202620:31
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05 Jun 2026 19:11Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.4
CVSS 47.3
EPSS0.00025
SSVC
1