VDB-4129 · SA39662 · OSVDB 64433

vBulletin 3.x/4.x BBcode cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in vBulletin 3.x/4.x. This issue affects some unknown processing of the component BBcode Handler. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in vBulletin 3.x/4.x (Forum Software). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component BBcode Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 04/29/2010. The weakness was shared 05/07/2010 by MaXe with InterN0T (Website). The advisory is shared at forum.intern0t.net. The public release happened without involvement of the project team. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

After even before and not, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at vbulletin.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at OSVDB (64433†) and Secunia (SA39662†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: vbulletin.com

Timelineinfo

04/29/2010 🔍
04/29/2010 +0 days 🔍
05/07/2010 +8 days 🔍
05/07/2010 +0 days 🔍
05/07/2010 +0 days 🔍
05/19/2010 +11 days 🔍
04/24/2018 +2897 days 🔍

Sourcesinfo

Advisory: forum.intern0t.net
Researcher: MaXe
Organization: InterN0T
Status: Not defined

GCVE (VulDB): GCVE-100-4129
Secunia: 39662 - vBulletin BB Code Script Insertion Vulnerability, Less Critical
OSVDB: 64433 - vBulletin BB Code Tag XSS

Entryinfo

Created: 05/19/2010 02:00
Updated: 04/24/2018 08:42
Changes: 05/19/2010 02:00 (58), 04/24/2018 08:42 (1)
Complete: 🔍
Committer: stfr
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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