How severe is CVE-2006-6523?

CVE-2006-6523 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2006-6523 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6523?

CVE-2006-6523 affects Cpanel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-6523?

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

When was CVE-2006-6523 published?

CVE-2006-6523 was published on 2006-12-14 and last updated on 2026-06-16.

CVE-2006-6523

CVE-2006-6523 is a medium-severity vulnerability in Cpanel with a CVSS 2.0 base score of 6.8. 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 6.8)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cpanel
Published: 2006-12-14
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in mail/manage.html in BoxTrapper in cPanel 11 allows remote attackers to inject arbitrary web script or HTML via the account parameter.

Frequently asked questions

What is CVE-2006-6523?: Cross-site scripting (XSS) vulnerability in mail/manage.html in BoxTrapper in cPanel 11 allows remote attackers to inject arbitrary web script or HTML via the account parameter.
How severe is CVE-2006-6523?: CVE-2006-6523 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2006-6523 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6523?: CVE-2006-6523 affects Cpanel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-6523?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6523 published?: CVE-2006-6523 was published on 2006-12-14 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cpanel:cpanel:11:*:*:*:*:*:*:*

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