CVE-2010-4626 json
The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which mak…
published 15y ago modified 4mo ago also EUVD-2010-4591
- cvss
- 5.1
- 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
Summary
The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account's password, and then conducting a brute-force attack.
Is CVE-2010-4626 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.15% 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 | 5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-310 Cryptographic Issues
References
- dev.mybboard.net /issues/843
- blog.mybb.com /2010/04/13/mybb-1-4-12-released-security-maintenance-update/
-
openwall.com
/lists/oss-security/2010/10/08/7
mailing-list
-
exchange.xforce.ibmcloud.com
/vulnerabilities/64516
vdb-entry
- dev.mybboard.net /projects/mybb/repository/revisions/4872
-
openwall.com
/lists/oss-security/2010/10/11/8
mailing-list
-
openwall.com
/lists/oss-security/2010/12/06/2
mailing-list
Sources
- CVE List CVE-2010-4626
- NVD CVE-2010-4626
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.