CVE-2016-9418: n/a vulnerability

CVE-2016-9418: MyBB (aka MyBulletinBoard) before 1.8.8 on Windows and MyBB Merge System before 1.8.8 on Windows might allo...

MyBB (aka MyBulletinBoard) before 1.8.8 on Windows and MyBB Merge System before 1.8.8 on Windows might allow remote attackers to obtain sensitive information from ACP backups via vectors involving a short name.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 02:50 UTC (UTC+00:00)

Security readout for executives and security teams

This CVE affects Windows-hosted MyBB and MyBB Merge System versions before 1.8.8. A remote attacker might obtain sensitive information from administrator control panel backups through Windows short-name behavior. Business urgency depends on whether legacy MyBB is still internet-facing and whether ACP backups are exposed. Likely exposure is limited to MyBB or MyBB Merge System installations before 1.8.8 running on Windows, especially public forums with administrator backup files reachable through the web tier. Treat this as a legacy internet-exposure cleanup item. It is not confirmed as actively exploited here, but exposed forum backups can contain sensitive data and should not remain reachable. Mitigation focus: Upgrade affected MyBB and MyBB Merge System installations to 1.8.8 or later.; Check MyBB vendor guidance for any additional backup-handling recommendations.; Remove unnecessary ACP backups from web-accessible locations..

Prepared: Jun 13, 2026, 06:20 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 31, 2017, 22:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://blog.mybb.com/2016/10/17/mybb-1-8-8-merge-system-1-8-8-release/CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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