MyBB (aka MyBulletinBoard) before 1.4.12 does not properly handle a configuration with a visible forum that contains hidden threads, which…

published 2010-12-30 15y ago modified 2026-06-16 4mo ago also EUVD-2010-4590

cvss: 5.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.2%; EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits: 0; none known

MyBB (aka MyBulletinBoard) before 1.4.12 does not properly handle a configuration with a visible forum that contains hidden threads, which allows remote attackers to obtain sensitive information by reading the Latest Threads block of the Portal Page.

Patch / fix

links 1

blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-updat… advisory

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Exploit prediction

2.22% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

blog.mybb.com /2010/04/13/mybb-1-4-12-released-security-maintenance-update/
patch, vendor-advisory
dev.mybboard.net /issues/809
openwall.com /lists/oss-security/2010/10/08/7
mailing-list
openwall.com /lists/oss-security/2010/10/11/8
mailing-list
openwall.com /lists/oss-security/2010/12/06/2
mailing-list
community.mybb.com /thread-66255.html
exchange.xforce.ibmcloud.com /vulnerabilities/64517
vdb-entry

Sources

CVE List CVE-2010-4625
NVD CVE-2010-4625

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.