CVE-2014-9254: bb_func_unsub.php in MiniBB 3.1 before 20141127 uses an incorrect regular expression, which allows remote atta

Q: How do I fix CVE-2014-9254?

minibb: upgrade to newer than 3.1. Exact commands for each OS are on this page.

Q: Is CVE-2014-9254 being exploited?

CVE-2014-9254 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-9254 affect?

CVE-2014-9254 affects minibb. Severity is high (CVSS 7.5). bb_func_unsub.php in MiniBB 3.1 before 20141127 uses an incorrect regular expression, which allows remote attackers to conduct SQl injection attacks via the code parameter in an unsubscribe action to index.php.

Q: How urgent is CVE-2014-9254?

Priority 49/100. High severity; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2014-9254 is a high-severity flaw (CVSS 7.5) affecting minibb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

bb_func_unsub.php in MiniBB 3.1 before 20141127 uses an incorrect regular expression, which allows remote attackers to conduct SQl injection attacks via the code parameter in an unsubscribe action to index.php.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-89
Published	2014-12-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: minibb

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-12-31 21:59 UTCPublished CVE record published
2026-06-17 00:18 UTCUpdated Record last modified

minibb minibb UPGRADE

Affected: <= 3.1

Fixed in: newer than 3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy minibb || rpm -q minibb || minibb --version

2. UPGRADE to newer than 3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade minibb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade minibb

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: MiniBB 3.1 - Blind SQL Injection

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-9254?

minibb: upgrade to newer than 3.1. Exact commands for each OS are on this page.

Is CVE-2014-9254 being exploited?

CVE-2014-9254 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-9254 affect?

CVE-2014-9254 affects minibb. Severity is high (CVSS 7.5). bb_func_unsub.php in MiniBB 3.1 before 20141127 uses an incorrect regular expression, which allows remote attackers to conduct SQl injection attacks via the code parameter in an unsubscribe action to index.php.

How urgent is CVE-2014-9254?

Priority 49/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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