How severe is CVE-2009-4467?

CVE-2009-4467 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2009-4467 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4467?

CVE-2009-4467 affects Deluxebb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-4467?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-4467 published?

CVE-2009-4467 was published on 2009-12-30 and last updated on 2026-06-16.

CVE-2009-4467

CVE-2009-4467 is a medium-severity vulnerability in Deluxebb with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Deluxebb
Published: 2009-12-30
Last modified: 2026-06-16

Description

misc.php in DeluxeBB 1.3 allows remote attackers to register accounts without a valid email address via a valemail action with the valmem set to a pre-assigned user ID, which is visible from a memberlist action.

Frequently asked questions

What is CVE-2009-4467?: misc.php in DeluxeBB 1.3 allows remote attackers to register accounts without a valid email address via a valemail action with the valmem set to a pre-assigned user ID, which is visible from a memberlist action.
How severe is CVE-2009-4467?: CVE-2009-4467 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2009-4467 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4467?: CVE-2009-4467 affects Deluxebb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4467?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4467 published?: CVE-2009-4467 was published on 2009-12-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:deluxebb:deluxebb:1.3:*:*:*:*:*:*:*

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