Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-9402

27
FAUCET Score

CVE-2016-9402 describes a critical SQL injection vulnerability (CWE-89) affecting MyBB (MyBulletinBoard) versions prior to 1.8.7 and MyBB Merge System prior to 1.8.7. This flaw, located in the moderation tool, could allow unauthenticated remote attackers to execute arbitrary SQL commands. With a CVSSv3 score of 9.8 (CRITICAL), this vulnerability presents a significant risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. The EPSS score is low, suggesting a low likelihood of exploitation in the wild. Despite its critical severity, there is no evidence of active exploitation (KEV: No), nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage are minimal, indicating a lack of widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.8.6CPE matchmatch criteria
cpe:2.3:a:mybb:merge_system:*:*:*:*:*:*:*:*
<= 1.8.6CPE matchmatch criteria
cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.12%
Probability of exploitation in next 30 days
EPSS Percentile
79.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0212 is in the 69th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.mybb.com / 2016/03/11/mybb-1-8-7-merge-system-1-8-7-release
PatchRelease NotesVendor Advisory
openwall.com / lists/oss-security/2016/11/10/8
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2016/11/18/1
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/94395
Third Party AdvisoryVDB Entry