The fetch_remote_file function in MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.
http://www.securityfocus.com/bid/94396
http://www.openwall.com/lists/oss-security/2016/11/18/1
http://www.openwall.com/lists/oss-security/2016/11/10/8
https://blog.mybb.com/2016/10/17/mybb-1-8-8-merge-system-1-8-8-release/
Source: Mitre, NVD
Published: 2017-01-31
Updated: 2026-06-17
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 7.4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Severity: High
EPSS: 0.00652