How severe is CVE-2006-6142?

CVE-2006-6142 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2006-6142 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-2006-6142?

CVE-2006-6142 primarily affects Squirrelmail. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-6142?

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

When was CVE-2006-6142 published?

CVE-2006-6142 was published on 2006-12-05 and last updated on 2026-06-16.

CVE-2006-6142

CVE-2006-6142 is a medium-severity vulnerability in Squirrelmail 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: Squirrelmail
Published: 2006-12-05
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.0 through 1.4.9 allow remote attackers to inject arbitrary web script or HTML via the (1) mailto parameter in (a) webmail.php, the (2) session and (3) delete_draft parameters in (b) compose.php, and (4) unspecified vectors involving "a shortcoming in the magicHTML filter."

Frequently asked questions

What is CVE-2006-6142?: Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.0 through 1.4.9 allow remote attackers to inject arbitrary web script or HTML via the (1) mailto parameter in (a) webmail.php, the (2) session and (3) delete_draft parameters in (b) compose.php, and (4) unspecified vectors involving "a shortcoming in the magicHTML filter."
How severe is CVE-2006-6142?: CVE-2006-6142 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2006-6142 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-2006-6142?: CVE-2006-6142 primarily affects Squirrelmail. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6142?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6142 published?: CVE-2006-6142 was published on 2006-12-05 and last updated on 2026-06-16.

References

Affected products (15)

cpe:2.3:a:squirrelmail:squirrelmail:1.4:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.3_r3:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.3_rc1:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.3aa:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.4_rc1:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.6:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.6_cvs:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.6_rc1:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4.7:*:*:*:*:*:*:*
cpe:2.3:a:squirrelmail:squirrelmail:1.4_rc1:*:*:*:*:*:*:*

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