cve.bz

CVE-2018-1000503

4.3 mediumEPSS 0.6%

Medium (4.3) in mybb mybb. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

4.3 medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE
CWE-269
Published
Modified
Record from
the NVD, synced

Affected

References

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