How severe is CVE-2004-2738?

CVE-2004-2738 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2004-2738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2738?

CVE-2004-2738 primarily affects Zeroboard. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-2738?

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

When was CVE-2004-2738 published?

CVE-2004-2738 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-2738

CVE-2004-2738 is a medium-severity vulnerability in Zeroboard 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. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Zeroboard
Published: 2004-12-31
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in check_user_id.php in ZeroBoard 4.1pl4 and earlier allows remote attackers to inject arbitrary web script or HTML via the user_id parameter.

Frequently asked questions

What is CVE-2004-2738?: Cross-site scripting (XSS) vulnerability in check_user_id.php in ZeroBoard 4.1pl4 and earlier allows remote attackers to inject arbitrary web script or HTML via the user_id parameter.
How severe is CVE-2004-2738?: CVE-2004-2738 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2004-2738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2738?: CVE-2004-2738 primarily affects Zeroboard. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-2738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2738 published?: CVE-2004-2738 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:zeroboard:zeroboard:4.1_pl2:*:*:*:*:*:*:*
cpe:2.3:a:zeroboard:zeroboard:4.1_pl3:*:*:*:*:*:*:*
cpe:2.3:a:zeroboard:zeroboard:4.1_pl4:*:*:*:*:*:*:*

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