CVE-2006-4706

Exp

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.

Published: 2006-09-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4706 is rated High Exploit Risk (71.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.40%). 1 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-2006-4706

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-4706

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 2026-06-15 2.15% 2.40% +0.25%
2 2025-10-06 1.76% 2.15% +0.39%
3 2025-06-23 — 1.76% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4706

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-2006-4706

NVD evaluator notes for CVE-2006-4706

Solution: This vulnerability is addressed in the following product release: MyBB, MyBB, 1.1.8

Affected software / configurations for CVE-2006-4706

Vendor Product Version Raw CPE
mybulletinboard mybulletinboard 1.1.7 cpe:2.3:a:mybulletinboard:mybulletinboard:1.1.7:*:*:*:*:*:*:*

References for CVE-2006-4706

cvelogic Threat Intelligence