CVE-2026-63771
HIGH SEVERITYCVSS Score & Metrics
Base Score
7.1 / 10
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Vulnerability Description
Adminer before 5.4.3 contains a cookie injection vulnerability that allows attackers to manipulate cookie attributes by injecting arbitrary values through the unsanitized X-Forwarded-Prefix HTTP header used in Set-Cookie path attributes. Attackers can exploit a misconfigured reverse proxy to downgrade SameSite protection and enable cross-origin authenticated requests, bypassing cookie security controls.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-113
Source
NVD
Vendor
vrana
Product
adminer
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