How severe is CVE-2005-3771?

CVE-2005-3771 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2005-3771 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3771?

CVE-2005-3771 primarily affects Joomla. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-3771?

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

When was CVE-2005-3771 published?

CVE-2005-3771 was published on 2005-11-23 and last updated on 2026-06-16.

CVE-2005-3771

CVE-2005-3771 is a medium-severity vulnerability in Joomla 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: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Joomla
Published: 2005-11-23
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.0.4 allow remote attackers to inject arbitrary web script or HTML via (1) "GET and other variables" and (2) "SEF".

Frequently asked questions

What is CVE-2005-3771?: Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.0.4 allow remote attackers to inject arbitrary web script or HTML via (1) "GET and other variables" and (2) "SEF".
How severe is CVE-2005-3771?: CVE-2005-3771 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2005-3771 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3771?: CVE-2005-3771 primarily affects Joomla. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-3771?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-3771 published?: CVE-2005-3771 was published on 2005-11-23 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:joomla:joomla:1.0:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla:1.0.3:*:*:*:*:*:*:*

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