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Advisories

Grav - XML External Entity Injection via SVG Upload

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severity
medium
date
Affecting

  • Grav >= 0, < 2.0.0-beta.2

CWE
  • CWE-611 Improper Restriction of XML External Entity Reference
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Description
Grav before 2.0.0-beta.2 contains an XML external entity injection vulnerability in SVG file upload processing that allows authenticated attackers to read arbitrary files. The application uses simplexml_load_string without disabling external entity loading, enabling attackers to inject XXE payloads via malicious SVG files to exfiltrate sensitive data.

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