Security readout for executives and security teams
Older MyBB forum installations can disclose their server installation path through mail-related behavior in the admin control panel. This is mainly an information leak, not evidence of direct compromise. It can still help attackers map the hosting environment and support later attacks if other weaknesses exist. Exposure is limited to organizations running MyBB or MyBB Merge System versions earlier than 1.8.7. Risk is higher where admin or mail-sending workflows can be triggered or observed externally, but the provided sources do not fully define prerequisites. Treat this as a low-priority remediation unless MyBB is internet-facing or already unsupported. The key business action is version verification and routine upgrade, because path disclosure can assist attackers even when it is not independently critical. Mitigation focus: Upgrade MyBB and MyBB Merge System to version 1.8.7 or later.; Follow MyBB vendor release guidance for supported upgrade paths.; Restrict administrative panel access to trusted users and networks where feasible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-9411 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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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/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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