CVE-2018-1000503 describes an Incorrect Access Control vulnerability in MyBB Group MyBB versions prior to 1.8.15. This flaw allows authenticated users to view posts from private forums without the required password, exploitable through an Insecure Direct Object Reference (IDOR) when subscribing to a forum. The vulnerability has a CVSS v3.0 score of 4.3 (Medium), indicating low attack complexity and potential for limited confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, suggesting a low current threat landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.8.15CPE matchmatch criteria | cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.