CVE-2015-8974

critical
Published 2017-01-31 · Modified 2026-05-13
CVSS v3
10.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
10.0

Description

SQL injection vulnerability in the Group Promotions module in the admin control panel in MyBB (aka MyBulletinBoard) before 1.6.18 and 1.8.x before 1.8.6 and MyBB Merge System before 1.8.6 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.

Predictions

Exploit likelihood
98%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://blog.mybb.com/2015/09/07/mybb-1-8-6-1-6-18-merge-system-1-8-6-release/

Application impact

VendorProductVersionsFixed
mybbmerge_system{"endIncluding":"1.8.5"}
mybbmybb{"endIncluding":"1.6.17"}
mybbmybb1.8.0
mybbmybb1.8.1
mybbmybb1.8.2
mybbmybb1.8.3
mybbmybb1.8.4
mybbmybb1.8.5

References

CWEs

CWE-89

Verify integrity in audit chain (admin only). AS-IS.