MyBB (aka MyBulletinBoard) before 1.4.12 allows remote authenticated users to bypass intended restrictions on the number of [img] MyCodes b…

published 2010-12-30 15y ago modified 2026-06-16 4mo ago also EUVD-2010-4589

cvss: 3.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

MyBB (aka MyBulletinBoard) before 1.4.12 allows remote authenticated users to bypass intended restrictions on the number of [img] MyCodes by editing a post after it has been created.

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

1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls

References

blog.mybb.com /2010/04/13/mybb-1-4-12-released-security-maintenance-update/
patch, vendor-advisory
dev.mybboard.net /issues/728
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
exchange.xforce.ibmcloud.com /vulnerabilities/64518
vdb-entry

Sources

CVE List CVE-2010-4624
NVD CVE-2010-4624

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.