How severe is CVE-2004-2756?

CVE-2004-2756 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2004-2756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2756?

CVE-2004-2756 primarily affects Xoops. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-2756?

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

When was CVE-2004-2756 published?

CVE-2004-2756 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-2756

CVE-2004-2756 is a medium-severity vulnerability in Xoops 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% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Xoops
Published: 2004-12-31
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in viewtopic.php in Xoops 2.x, possibly 2 through 2.0.5, allows remote attackers to inject arbitrary web script or HTML via the (1) forum and (2) topic_id parameters.

Frequently asked questions

What is CVE-2004-2756?: Cross-site scripting (XSS) vulnerability in viewtopic.php in Xoops 2.x, possibly 2 through 2.0.5, allows remote attackers to inject arbitrary web script or HTML via the (1) forum and (2) topic_id parameters.
How severe is CVE-2004-2756?: CVE-2004-2756 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2004-2756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2756?: CVE-2004-2756 primarily affects Xoops. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-2756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2756 published?: CVE-2004-2756 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:xoops:xoops:2.0:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.5.2:*:*:*:*:*:*:*

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