CVE-2018-1000503

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 4.3/10CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 26, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-1000503: Medium severity, CVSS 4.3 | Vulnix