CVE-2015-8973

moderate-risk
Published 2017-01-31

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.

Do I need to act?

-
0.38% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.3/10 High
NETWORK / LOW complexity

Affected Products (8)

Affected Vendors

Mybb

References (8)

Third Party Advisory http://www.openwall.com/lists/oss-security/2016/11/10/8
Mailing List http://www.openwall.com/lists/oss-security/2016/11/18/1
Third Party Advisory http://www.securityfocus.com/bid/94397
Release Notes https://blog.mybb.com/2015/09/07/mybb-1-8-6-1-6-18-merge-system-1-8-6-release/
Third Party Advisory http://www.openwall.com/lists/oss-security/2016/11/10/8
Mailing List http://www.openwall.com/lists/oss-security/2016/11/18/1
Third Party Advisory http://www.securityfocus.com/bid/94397
Release Notes https://blog.mybb.com/2015/09/07/mybb-1-8-6-1-6-18-merge-system-1-8-6-release/
44
/ 100
moderate-risk
Severity 29/34 · Critical
Exploitability 1/34 · Minimal
Exposure 14/34 · Moderate