CVE-2026-72702 - Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer() and Pages::referrerRoute() methods, which validate the Referer header using an unanchored string prefix match (str_starts_with($referrer, $base)) with no trailing delimiter. An attacker who controls a domain that begins with the victim site's origin (e.g. https://example.com.attacker.tld) can send a request with such a Referer to be treated as same-origin, bypassing the Referer-based origin check. - 漏洞详情

漏洞编号：CVE-2026-72702

风险等级：中危

漏洞来源：CVE

CVE 编号：CVE-2026-72702

CNNVD 编号：-

厂商/产品：- / -

影响范围：-

CWE：CWE-346

发布/更新时间：2026-08-25 / 2026-08-28

漏洞描述

Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer() and Pages::referrerRoute() methods, which validate the Referer header using an unanchored string prefix match (str_starts_with($referrer, $base)) with no trailing delimiter. An attacker who controls a domain that begins with the victim site's origin (e.g. https://example.com.attacker.tld) can send a request with such a Referer to be treated as same-origin, bypassing the Referer-based origin check.

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