How severe is CVE-2006-4706?

CVE-2006-4706 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2006-4706 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4706?

CVE-2006-4706 affects Mybulletinboard. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-4706?

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

When was CVE-2006-4706 published?

CVE-2006-4706 was published on 2006-09-12 and last updated on 2026-06-16.

CVE-2006-4706

CVE-2006-4706 is a medium-severity vulnerability in Mybulletinboard 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% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mybulletinboard
Published: 2006-09-12
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in inc/functions_post.php in MyBB (aka MyBulletinBoard) 1.1.7 allows remote attackers to inject arbitrary web script or HTML via a url BBCode tag that contains a javascript URI with an SGML numeric character reference and an embedded space, as demonstrated using "java& #115;cript," a different vulnerability than CVE-2006-3761.

Frequently asked questions

What is CVE-2006-4706?: Cross-site scripting (XSS) vulnerability in inc/functions_post.php in MyBB (aka MyBulletinBoard) 1.1.7 allows remote attackers to inject arbitrary web script or HTML via a url BBCode tag that contains a javascript URI with an SGML numeric character reference and an embedded space, as demonstrated using "java& #115;cript," a different vulnerability than CVE-2006-3761.
How severe is CVE-2006-4706?: CVE-2006-4706 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2006-4706 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4706?: CVE-2006-4706 affects Mybulletinboard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4706?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4706 published?: CVE-2006-4706 was published on 2006-09-12 and last updated on 2026-06-16.

References

Affected products (1)

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

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