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TI-2016-07675 Aliases CVE-2016-9403GHSA-p7mx-h8c5-6rp5

newreply.php in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before…

Priority MEDIUM 47CWE-264Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-264.

Summary

newreply.php in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allows remote attackers to have unspecified impact by leveraging a missing permission check.

Why it matters now

EPSS 0.02563 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mybb:merge_system:*:*:*:*:*:*:*:*up to 1.8.6Vulnerablemybb
cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*up to 1.8.6Vulnerablemybb
  • cpe:2.3:a:mybb:merge_system:*:*:*:*:*:*:*:* Versions up to 1.8.6 Vulnerable ·mybb
  • cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:* Versions up to 1.8.6 Vulnerable ·mybb

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-9403
  2. 2026-10-03 Alias added: GHSA-p7mx-h8c5-6rp5

References

Patch 3

  • TI-2016-07692 MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote… CVSS 3.0CRITICAL 9.8
  • TI-2015-07387 SQL injection vulnerability in the Group Promotions module in the admin control panel in… CVSS 3.0CRITICAL 10.0
  • TI-2016-07688 SQL injection vulnerability in the users data handler in MyBB (aka MyBulletinBoard)… CVSS 3.0CRITICAL 9.8
  • TI-2016-07684 MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allow… CVSS 3.0CRITICAL 9.8
  • TI-2016-07674 SQL injection vulnerability in the moderation tool in MyBB (aka MyBulletinBoard) before… CVSS 3.0CRITICAL 9.8
  • TI-2015-07386 xmlhttp.php in MyBB (aka MyBulletinBoard) before 1.6.18 and 1.8.x before 1.8.6 and MyBB… CVSS 3.0HIGH 8.3
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences