CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.4. See the original NVD description below for full technical details.
CVE
CVE-2026-8139
Severity
MEDIUM
CVSS
5.4
EPSS
0.15%
Original NVD Description
Concrete CMS 9.5.0 and below is vulnerable to Stored XSS via external-link page cvName because updateCollectionAliasExternal bypasses being sanitized. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.0 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting.
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