Vulnerability Database

321,491

Total vulnerabilities in the database

CVE-2018-1000503

MyBB Group MyBB contains a Incorrect Access Control vulnerability in Private forums that can result in Users can view posts from private forums without having the password. This attack appear to be exploitable via Subscribe to a forum through IDOR. This vulnerability appears to have been fixed in 1.8.15.

  • Published: Jun 26, 2018
  • Updated: Nov 9, 2025
  • CVE: CVE-2018-1000503
  • Severity: Low
  • Exploit:

CVSS v2:

  • Severity: Low
  • Score: 4
  • AV:N/AC:L/Au:S/C:P/I:N/A:N

CWEs:

Software From Fixed in
mybb / mybb - 1.8.15