How severe is CVE-2006-0442?

CVE-2006-0442 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2006-0442 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-2006-0442?

CVE-2006-0442 affects Mybb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-0442?

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

When was CVE-2006-0442 published?

CVE-2006-0442 was published on 2006-01-26 and last updated on 2026-06-16.

CVE-2006-0442

CVE-2006-0442 is a medium-severity vulnerability in Mybb 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% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mybb
Published: 2006-01-26
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in usercp.php in MyBulletinBoard (MyBB) 1.02 allow remote attackers to inject arbitrary web script or HTML via the (1) notepad parameter in a notepad action and (2) signature parameter in an editsig action. NOTE: These are different attack vectors, and probably a different vulnerability, than CVE-2006-0218 and CVE-2006-0219.

Frequently asked questions

What is CVE-2006-0442?: Multiple cross-site scripting (XSS) vulnerabilities in usercp.php in MyBulletinBoard (MyBB) 1.02 allow remote attackers to inject arbitrary web script or HTML via the (1) notepad parameter in a notepad action and (2) signature parameter in an editsig action. NOTE: These are different attack vectors, and probably a different vulnerability, than CVE-2006-0218 and CVE-2006-0219.
How severe is CVE-2006-0442?: CVE-2006-0442 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2006-0442 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-2006-0442?: CVE-2006-0442 affects Mybb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-0442?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-0442 published?: CVE-2006-0442 was published on 2006-01-26 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mybb:mybb:1.0.2:*:*:*:*:*:*:*

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