Description
xmlhttp.php 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 bypass intended access restrictions via vectors related to the forum password.
Metrics
CVSS 3.0 8.3/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.openwall.com/lists/oss-security/2016/11/10/8Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/18/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94397Third Party Advisory, VDB Entry
- https://blog.mybb.com/2015/09/07/mybb-1-8-6-1-6-18-merge-system-1-8-6-release/Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/11/10/8Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/18/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94397Third Party Advisory, VDB Entry
- https://blog.mybb.com/2015/09/07/mybb-1-8-6-1-6-18-merge-system-1-8-6-release/Release Notes, Vendor Advisory
Timeline
- Published
- Jan 31, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified