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Concrete CMS has Stored XSS through its height parameter

🗓️ 21 May 2026 21:30:38Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Concrete CMS 9.5.0 and earlier have stored cross site scripting on the height parameter.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-8203
21 May 202620:31
attackerkb
Circl
CVE-2026-8203
5 Jun 202611:01
circl
CNNVD
Concrete CMS 跨站脚本漏洞
21 May 202600:00
cnnvd
CVE
CVE-2026-8203
21 May 202620:31
cve
Cvelist
CVE-2026-8203 Concrete CMS 9.5.0 and below has Stored XSS on the height parameter
21 May 202620:31
cvelist
EUVD
EUVD-2026-31341
21 May 202620:31
euvd
NVD
CVE-2026-8203
21 May 202621:16
nvd
OSV
GHSA-9V2G-37MP-QPXF Concrete CMS has Stored XSS through its height parameter
21 May 202621:30
osv
Positive Technologies
PT-2026-42543
21 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-8203
5 Jun 202619:11
redhatcve
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24 Jun 2026 20:58Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.4
CVSS 47.3
EPSS0.00122
SSVC
6