CVE-2016-9406

moderate-risk
Published 2017-01-31

Cross-site scripting (XSS) vulnerability in the User control panel in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 might allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Do I need to act?

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0.61% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Mybb

References (8)

Mailing List 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/94395
Patch https://blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/
Mailing List 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/94395
Patch https://blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/
32
/ 100
moderate-risk
Severity 23/34 · High
Exploitability 2/34 · Minimal
Exposure 7/34 · Low