How severe is CVE-2004-1996?

CVE-2004-1996 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2004-1996 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1996?

CVE-2004-1996 primarily affects Simple Machines Smf. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-1996?

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

When was CVE-2004-1996 published?

CVE-2004-1996 was published on 2004-05-05 and last updated on 2026-06-16.

CVE-2004-1996

CVE-2004-1996 is a medium-severity vulnerability in Simple Machines Smf 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: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Simple Machines Smf
Published: 2004-05-05
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Simple Machines Forum (SMF) 1.0 allows remote attackers to inject arbitrary web script via the size tag.

Frequently asked questions

What is CVE-2004-1996?: Cross-site scripting (XSS) vulnerability in Simple Machines Forum (SMF) 1.0 allows remote attackers to inject arbitrary web script via the size tag.
How severe is CVE-2004-1996?: CVE-2004-1996 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2004-1996 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1996?: CVE-2004-1996 primarily affects Simple Machines Smf. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1996?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1996 published?: CVE-2004-1996 was published on 2004-05-05 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:simple_machines:smf:1.0_beta4.1:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:smf:1.0_beta4p:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:smf:1.0_beta5p:*:*:*:*:*:*:*

More vulnerabilities in Simple Machines Smf

CVE-2008-2019 — High (CVSS 7.5): Simple Machines Forum (SMF), probably 1.1.4, relies on "randomly generated static" to hinder brute-force attacks on the…
CVE-2006-6375 — Medium (CVSS 6.8): Cross-site scripting (XSS) vulnerability in display.php in Simple Machines Forum (SMF) 1.1 Final and earlier allows…
CVE-2012-5903 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in Simple Machines Forum (SMF) 2.0.2 allows remote attackers to inject…

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