YaBB prior 2.1 cross site scriting

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.

A vulnerability classified as problematic has been found in YaBB (Forum Software). Affected is some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-80. This is going to have an impact on integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors.

The weakness was released 12/20/2005 (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2005-4426 since 12/20/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 22791 (Debian DSA-925-1 : phpbb2 - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context local.

Upgrading to version 2.1 eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (23020) and Tenable (22791). Entries connected to this vulnerability are available at 27254, 26821, 26766 and 26765.




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Cross site scripting
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 22791
Nessus Name: Debian DSA-925-1 : phpbb2 - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfoedit

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


Recommended: Upgrade
Status: 🔍

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

Upgrade: YaBB 2.1


11/09/2005 🔍
11/09/2005 +0 days 🔍
12/20/2005 +41 days 🔍
12/20/2005 +0 days 🔍
12/20/2005 +0 days 🔍
12/22/2005 +2 days 🔍
10/14/2006 +296 days 🔍
03/12/2015 +3071 days 🔍
07/15/2018 +1221 days 🔍


Advisory: securityfocus.com [404 Not Found]
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-4426 (🔍)
X-Force: 23020 - YaBB attached image file can allow cross-site scripting
SecurityFocus: 15368 - YaBB Image Upload HTML Injection Vulnerability
Secunia: 17411 - YaBB Attachment Script Insertion Vulnerability, Moderately Critical

See also: 🔍


Created: 03/12/2015 11:11 AM
Updated: 07/15/2018 04:20 PM
Changes: (7) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai countermeasure_date
Complete: 🔍


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