9.8crit

CVE-2016-9403

newreply.php in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allows remote attackers to have unspecified impa…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.6%
percentile 85%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.56% probability of exploitation in the next 30 days, higher than 85% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

  • securityfocus.com /bid/94395 · vdb-entry, x_refsource_BID, x_transferred
  • openwall.com /lists/oss-security/2016/11/18/1 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/11/10/8 · mailing-list, x_refsource_MLIST, x_transferred
  • blog.mybb.com /2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/ · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.