How severe is CVE-2005-3505?

CVE-2005-3505 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2005-3505 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3505?

CVE-2005-3505 primarily affects Cpanel. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-3505?

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

When was CVE-2005-3505 published?

CVE-2005-3505 was published on 2005-11-05 and last updated on 2026-06-16.

CVE-2005-3505

CVE-2005-3505 is a medium-severity vulnerability in Cpanel 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% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cpanel
Published: 2005-11-05
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the Entropy Chat script in cPanel 10.2.0-R82 and 10.6.0-R137 allows remote attackers to inject arbitrary web script or HTML via a chat message containing Javascript in style attributes in tags such as <b>, which are processed by Internet Explorer.

Frequently asked questions

What is CVE-2005-3505?: Cross-site scripting (XSS) vulnerability in the Entropy Chat script in cPanel 10.2.0-R82 and 10.6.0-R137 allows remote attackers to inject arbitrary web script or HTML via a chat message containing Javascript in style attributes in tags such as <b>, which are processed by Internet Explorer.
How severe is CVE-2005-3505?: CVE-2005-3505 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2005-3505 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3505?: CVE-2005-3505 primarily affects Cpanel. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-3505?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-3505 published?: CVE-2005-3505 was published on 2005-11-05 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:cpanel:cpanel:10.2.0_r82:*:*:*:*:*:*:*
cpe:2.3:a:cpanel:cpanel:10.6.0_r137:*:*:*:*:*:*:*

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