CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.4. See the original NVD description below for full technical details.
CVE
CVE-2026-7890
Severity
MEDIUM
CVSS
6.4
EPSS
0.15%
Original NVD Description
In Concrete CMS 9.5.0 and below, the RSS Displayer block accepts a feed URL from any page editor and fetches it server-side without validation enabling redirect-to-internal bypasses. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.1 with a vector CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N.
Related CVEs
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