LiveActive security incident?Get immediate response
CVE Record

CVE-2016-9420: MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have u...

MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified impact via vectors related to "loose comparison false positives."

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2016-9420 affects MyBB forum software and the MyBB Merge System before version 1.8.8. Public details say remote attackers may cause an unspecified impact through loose-comparison false positives. The business risk cannot be precisely ranked from the supplied sources because impact, prerequisites, and exploitability are not described. Exposure is most likely where an organization runs public or internal MyBB forums, or has used the MyBB Merge System, below version 1.8.8. The bundle does not identify specific configurations, modules, or authentication requirements. Treat this as a version-remediation item for any MyBB deployment, especially internet-facing forums. It should not be framed as an active exploitation emergency from the supplied evidence, but unsupported pre-1.8.8 installations should be upgraded promptly. Mitigation focus: Upgrade MyBB installations to version 1.8.8 or later.; Upgrade MyBB Merge System to version 1.8.8 or later.; Review the MyBB 1.8.8 release guidance for any additional vendor instructions..

Prepared

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

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2016-9420 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.