CVE-2016-9403
critical
CVSS v3
9.8
CVSS v4 NEW
—
VIR risk
9.8
Description
newreply.php in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allows remote attackers to have unspecified impact by leveraging a missing permission check.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mybb | merge_system | {"endIncluding":"1.8.6"} | |
| mybb | mybb | {"endIncluding":"1.8.6"} | |
References
- http://www.openwall.com/lists/oss-security/2016/11/10/8
- http://www.openwall.com/lists/oss-security/2016/11/18/1
- http://www.securityfocus.com/bid/94395
- https://blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/
- http://www.openwall.com/lists/oss-security/2016/11/10/8
- http://www.openwall.com/lists/oss-security/2016/11/18/1
- http://www.securityfocus.com/bid/94395
- https://blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.