CVE-2016-9403 describes a critical vulnerability in MyBB (MyBulletinBoard) and MyBB Merge System versions prior to 1.8.7, specifically within the newreply.php component. This flaw, stemming from a missing permission check, allows remote attackers to achieve significant impact, including potential compromise of confidentiality, integrity, and availability. With a CVSS score of 9.8 (Critical) and an attack vector over the network with low complexity, this vulnerability presents a high risk. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(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 version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
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.
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 records are not available for this CVE.