How severe is CVE-2006-4157?

CVE-2006-4157 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2006-4157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4157?

CVE-2006-4157 primarily affects Yabb. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-4157?

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

When was CVE-2006-4157 published?

CVE-2006-4157 was published on 2006-08-16 and last updated on 2026-06-16.

CVE-2006-4157

CVE-2006-4157 is a medium-severity vulnerability in Yabb 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% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Yabb
Published: 2006-08-16
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in index.php in Yet another Bulletin Board (YaBB) allows remote attackers to inject arbitrary web script or HTML via the categories parameter.

Frequently asked questions

What is CVE-2006-4157?: Cross-site scripting (XSS) vulnerability in index.php in Yet another Bulletin Board (YaBB) allows remote attackers to inject arbitrary web script or HTML via the categories parameter.
How severe is CVE-2006-4157?: CVE-2006-4157 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2006-4157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4157?: CVE-2006-4157 primarily affects Yabb. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4157 published?: CVE-2006-4157 was published on 2006-08-16 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:yabb:yabb:1.5.1:*:second_edition:*:*:*:*:*
cpe:2.3:a:yabb:yabb:1.5.2:*:second_edition:*:*:*:*:*
cpe:2.3:a:yabb:yabb:1.5.4:*:second_edition:*:*:*:*:*
cpe:2.3:a:yabb:yabb:1.5.5:*:second_edition:*:*:*:*:*
cpe:2.3:a:yabb:yabb:1.5.5b:*:second_edition:*:*:*:*:*

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CVE-2004-2403 — Critical (CVSS 10.0): Cross-site request forgery (CSRF) vulnerability in YaBB 1 GOLD SP 1.3.2 allows remote attackers to perform unauthorized…
CVE-2004-0343 — Critical (CVSS 10.0): Multiple SQL injection vulnerabilities in YaBB SE 1.5.4 through 1.5.5b allow remote attackers to execute arbitrary SQL…
CVE-2013-2057 — Critical (CVSS 9.8): YaBB through 2.5.2: 'guestlanguage' Cookie Parameter Local File Include Vulnerability
CVE-2006-3275 — High (CVSS 7.5): SQL injection vulnerability in profile.php in YaBB SE 1.5.5 and earlier allows remote attackers to execute SQL commands…
CVE-2004-2139 — High (CVSS 7.5): Unknown vulnerability in Adminedit.pl YaBB 1 Gold before 1.3.2 allows attackers to execute arbitrary code via…

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