CVE-2006-4157

Exp

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.

Published: 2006-08-16 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4157 is rated High Exploit Risk (62.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.42%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-4157

EDB-ID Source Kind Published Link
28371 exploit_db edb 2006-08-10 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-4157

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-04-04 0.34% 0.42% +0.07%
2 2025-03-30 0.50% 0.34% -0.15%
3 2025-03-29 — 0.50% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4157

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2006-4157

Affected software / configurations for CVE-2006-4157

Vendor Product Version Raw CPE
yabb yabb 1.5.1 cpe:2.3:a:yabb:yabb:1.5.1:*:second_edition:*:*:*:*:*
yabb yabb 1.5.2 cpe:2.3:a:yabb:yabb:1.5.2:*:second_edition:*:*:*:*:*
yabb yabb 1.5.4 cpe:2.3:a:yabb:yabb:1.5.4:*:second_edition:*:*:*:*:*
yabb yabb 1.5.5 cpe:2.3:a:yabb:yabb:1.5.5:*:second_edition:*:*:*:*:*
yabb yabb 1.5.5b cpe:2.3:a:yabb:yabb:1.5.5b:*:second_edition:*:*:*:*:*

References for CVE-2006-4157

cvelogic Threat Intelligence