HOMEVULNERABILITIESCVE-2006-6040
MEDIUMPOC

CVE-2006-6040

NVD-CWE-OtherPublished: November 22, 2006· Updated: Jun 16, 2026

6.8
CVSS v3.1

Official Description

Multiple cross-site scripting (XSS) vulnerabilities in admincp/index.php in Jelsoft vBulletin 3.6.x allow remote attackers to inject arbitrary web script or HTML via (1) the prefs parameter in a buildnavprefs action or (2) the navprefs parameter in a savenavprefs action.

NVD Source

Technical Analysis

CVE-2006-6040 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2006-6040. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Vendors & Products

jelsoft1 product(s)
vbulletin
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://secunia.com/advisories/23011
PATCHhttp://www.securityfocus.com/bid/21157
PATCHhttp://secunia.com/advisories/23011
PATCHhttp://www.securityfocus.com/bid/21157

All References (14)

→
http://secunia.com/advisories/23011Patch · Vendor Advisory
→
http://securityreason.com/securityalert/1903
→
http://www.securityfocus.com/archive/1/451959/100/0/threaded
→
http://www.securityfocus.com/bid/21157Exploit · Patch
→
http://www.vbulletin.com/forum/showthread.php?postid=1256434
→
http://www.vupen.com/english/advisories/2006/4599
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/30408
→
http://secunia.com/advisories/23011Patch · Vendor Advisory
→
http://securityreason.com/securityalert/1903
→
http://www.securityfocus.com/archive/1/451959/100/0/threaded
→
http://www.securityfocus.com/bid/21157Exploit · Patch
→
http://www.vbulletin.com/forum/showthread.php?postid=1256434
→
http://www.vupen.com/english/advisories/2006/4599
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/30408

Quick Facts

CVE IDCVE-2006-6040
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessNVD-CWE-Other
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedNov 22, 2006

Related CVEs (NVD-CWE-Other)

CVE-2004-0084
10.0
CVE-2002-0702
10.0
CVE-2000-0389
10.0
CVE-2022-4390
10.0
CVE-2001-0247
10.0
CVE-2000-1220
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2006-6040 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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