[MEDIUM] Vulnerability which allows remote image dimensions check to be used to SSRF

PKSA-fvv8-yym2-vcvr CVE-2020-8226 GHSA-jhm9-h84h-rw83

Affected package: phpbb/phpbb

Affected version: >=3.2.0,<3.2.10|>=3.3.0,<3.3.1

Reported by:
GitHub, FriendsOfPHP/security-advisories