← Vulnerability feed

Vulnerability record · CVE-2006-4271 · published 21 August 2006

CVE-2006-4271: Jelsoft vbulletin vulnerability

JJelsoft · Vbulletin

PHP remote file inclusion vulnerability in install/upgrade_301.php in Jelsoft vBulletin 3.5.4 allows remote attackers to execute arbitrary PHP code via a URL in the step parameter. NOTE: the vendor has disputed this vulnerability, saying "The default vBulletin requires authentication prior to the usage of the upgrade system.

7.5 CVSS 2.0 High EPSS 2.1% · top 19.0%
7.5CVSS 2.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

PHP remote file inclusion vulnerability in install/upgrade_301.php in Jelsoft vBulletin 3.5.4 allows remote attackers to execute arbitrary PHP code via a URL in the step parameter. NOTE: the vendor has disputed this vulnerability, saying "The default vBulletin requires authentication prior to the usage of the upgrade system.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2006-07/0061.html Exploit
http://archives.neohapsis.com/archives/bugtraq/2006-07/0069.html
http://archives.neohapsis.com/archives/bugtraq/2006-07/0121.html
http://archives.neohapsis.com/archives/bugtraq/2006-07/0217.html
http://www.osvdb.org/28210
http://www.pldsoft.com/forum/showthread.php?t=1340
http://archives.neohapsis.com/archives/bugtraq/2006-07/0061.html Exploit
http://archives.neohapsis.com/archives/bugtraq/2006-07/0069.html
http://archives.neohapsis.com/archives/bugtraq/2006-07/0121.html
http://archives.neohapsis.com/archives/bugtraq/2006-07/0217.html
http://www.osvdb.org/28210
http://www.pldsoft.com/forum/showthread.php?t=1340

Track CVE-2006-4271 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2007-4120Jelsoft vbulletin vulnerabilityMultiple PHP remote file inclusion vulnerabilities in Jelsoft vBulletin 3.6.5 allow remote attackers to execute arbitrary PHP code via a URL in the (…EPSS 2.1%8.5CVE-2007-2911Jelsoft vbulletin vulnerabilitySQL injection vulnerability in admincp/attachment.php in Jelsoft vBulletin before 3.6.6 allows remote authenticated administrators to execute arbitra…EPSS 1.3%7.5CVE-2007-1292Jelsoft vbulletin vulnerabilitySQL injection vulnerability in inlinemod.php in Jelsoft vBulletin before 3.5.8, and before 3.6.5 in the 3.6.x series, might allow remote authenticate…EPSS 1.3%7.5CVE-2006-5104Jelsoft vbulletin vulnerabilitySQL injection vulnerability in global.php in Jelsoft vBulletin 2.x allows remote attackers to execute arbitrary SQL commands via the templatesused pa…EPSS 1.1%7.5CVE-2006-4272Jelsoft vbulletin vulnerabilityJelsoft vBulletin 3.5.4 allows remote attackers to register multiple arbitrary users and cause a denial of service (resource consumption) via a large…EPSS 1.5%7.5CVE-2006-2018Jelsoft vbulletin vulnerabilitySQL injection vulnerability in calendar.php in vBulletin 3.0.x allows remote attackers to execute arbitrary SQL commands via the eventid parameter. N…EPSS 1.2%7.5CVE-2005-3019Jelsoft vbulletin vulnerabilityMultiple SQL injection vulnerabilities in vBulletin before 3.0.9 allow remote attackers to execute arbitrary SQL commands via the (1) request paramet…EPSS 3.9%7.5CVE-2005-3022Jelsoft vbulletin vulnerabilityMultiple SQL injection vulnerabilities in vBulletin 3.0.9 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) announceme…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2006-4271), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.