VDB-74085 · CVE-2015-2333 · BID 73213

MyBB up to 1.8.3 cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in MyBB up to 1.8.3. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2015-2333. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in MyBB up to 1.8.3 (Content Management System). It has been classified as problematic. This affects an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in the MyCode editor in MyBB (aka MyBulletinBoard) before 1.8.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

The weakness was published 02/15/2015 as MyBB 1.8.4 Released – Feature Update, Security & Maintenance Release as confirmed release notes (Blog). The advisory is shared at blog.mybb.com. This vulnerability is uniquely identified as CVE-2015-2333 since 03/18/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 1.8.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 73213†) and SecurityTracker (ID 1031953†). Similar entries are available at VDB-69210, VDB-74083, VDB-74084 and VDB-74086. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Content Management System

Name

MyBB

Version

License

open-source

Website

Product: https://mybb.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: MyBB 1.8.4

Timelineinfo

02/15/2015 🔍
02/15/2015 +0 days 🔍
02/15/2015 +0 days 🔍
03/18/2015 +31 days 🔍
03/18/2015 +0 days 🔍
03/19/2015 +1 days 🔍
03/23/2015 +4 days 🔍
01/10/2018 +1024 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: MyBB 1.8.4 Released – Feature Update, Security & Maintenance Release
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2333 (🔍)
GCVE (CVE): GCVE-0-2015-2333
GCVE (VulDB): GCVE-100-74085
SecurityFocus: 73213 - MyBB CVE-2015-2333 Cross Site Scripting Vulnerability
SecurityTracker: 1031953

See also: 🔍

Entryinfo

Created: 03/23/2015 10:35
Updated: 01/10/2018 07:56
Changes: 03/23/2015 10:35 (51), 01/10/2018 07:56 (9)
Complete: 🔍
Cache ID: 216:03E:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.