How severe is CVE-2006-4449?

CVE-2006-4449 has a CVSS 2.0 base score of 5.1, rated medium severity.

Is CVE-2006-4449 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4449?

CVE-2006-4449 affects Mybulletinboard. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-4449?

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

When was CVE-2006-4449 published?

CVE-2006-4449 was published on 2006-08-30 and last updated on 2026-06-16.

CVE-2006-4449

CVE-2006-4449 is a medium-severity vulnerability in Mybulletinboard with a CVSS 2.0 base score of 5.1. 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 5.1)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mybulletinboard
Published: 2006-08-30
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in attachment.php in MyBulletinBoard (MyBB) 1.1.7 and possibly other versions allows remote attackers to inject arbitrary web script or HTML via a GIF image that contains URL-encoded Javascript, which is rendered by Internet Explorer.

Frequently asked questions

What is CVE-2006-4449?: Cross-site scripting (XSS) vulnerability in attachment.php in MyBulletinBoard (MyBB) 1.1.7 and possibly other versions allows remote attackers to inject arbitrary web script or HTML via a GIF image that contains URL-encoded Javascript, which is rendered by Internet Explorer.
How severe is CVE-2006-4449?: CVE-2006-4449 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-2006-4449 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4449?: CVE-2006-4449 affects Mybulletinboard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4449?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4449 published?: CVE-2006-4449 was published on 2006-08-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mybulletinboard:mybulletinboard:1.1.7:*:*:*:*:*:*:*

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