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CVE-2016-9403
newreply.php in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allows remote attackers to have unspecified…
Critical9.8EPSS 2.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.6% · top 15% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (4)
- 94395 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20161117 Re: CVE request: MyBB multiple vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20161110 CVE request: MyBB multiple vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .