The vulnerability was reported by vendor after successful compromise of vendor's website. The attackers hacked the website and were spreading malware.
Vulnerable component: SPIP
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE-ID: CWE-284 - Improper Access Control
The vulnerability allows a remote attacker to gain access to the target system.
The weakness exists due to improper access control related to installations and backups. A remote attacker can bypass implemented security control and compromise vulnerable website.
Successful exploitation of the vulnerability results in access to the vulnerable system.
Note: the vulnerability was being actively exploited.