Home/CVE/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
CVE

CVE-2015-8973

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

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.

HIGH · CVSS 8.3 EPSS 0.00384
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
▤

Affected Products & Versions

3
mybb merge system<= 1.8.5
mybb<= 1.6.17
mybball versions
▣

Scoring & Timeline

8.3
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Jan 2017 · 10:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2016/11/10/8Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/18/1Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/94397Third Party AdvisoryVDB Entry
https://blog.mybb.com/2015/09/07/mybb-1-8-6-1-6-18-merge-system-1-8-6-release/Release NotesVendor Advisory
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