How severe is CVE-2004-2447?

CVE-2004-2447 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2004-2447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2447?

CVE-2004-2447 affects 1st Class Internet Solutions 1st Class Mail Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-2447?

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

When was CVE-2004-2447 published?

CVE-2004-2447 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-2447

CVE-2004-2447 is a medium-severity vulnerability in 1st Class Internet Solutions 1st Class Mail Server with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: 1st Class Internet Solutions 1st Class Mail Server
Published: 2004-12-31
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in 1st Class Mail Server 4.01 allows remote attackers to inject arbitrary web script or HTML via the Mailbox parameter to (1) viewmail.tagz, (2) the index script under /user/, (3) members.tagz, (4) general.tagz, (5) advanced.tagz, or (6) list.tagz.

Frequently asked questions

What is CVE-2004-2447?: Cross-site scripting (XSS) vulnerability in 1st Class Mail Server 4.01 allows remote attackers to inject arbitrary web script or HTML via the Mailbox parameter to (1) viewmail.tagz, (2) the index script under /user/, (3) members.tagz, (4) general.tagz, (5) advanced.tagz, or (6) list.tagz.
How severe is CVE-2004-2447?: CVE-2004-2447 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2004-2447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2447?: CVE-2004-2447 affects 1st Class Internet Solutions 1st Class Mail Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-2447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2447 published?: CVE-2004-2447 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:1st_class_internet_solutions:1st_class_mail_server:4.01:*:*:*:*:*:*:*