Sir GNUBoard 4.34 file_download filename 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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3.9$0-$5k0.00

A vulnerability was found in Sir GNUBoard 4.34 (Forum Software). It has been declared as problematic. This vulnerability affects the function file_download. The manipulation of the argument filename with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in the file_download function in GNUBoard before 4.34.21 allows remote attackers to inject arbitrary web script or HTML via the filename parameter.

The weakness was released 09/06/2012 (Website). The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2012-4873 since 09/06/2012. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

Upgrading to version 4.34 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (18627), SecurityFocus (BID 52622†) and Secunia (SA48458†).

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GNUBoard 4.34

Timelineinfo

03/20/2012 🔍
03/20/2012 +0 days 🔍
09/06/2012 +170 days 🔍
09/06/2012 +0 days 🔍
09/06/2012 +0 days 🔍
03/23/2015 +928 days 🔍
01/17/2025 +3588 days 🔍

Sourcesinfo

Advisory: exploit-db.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-4873 (🔍)
SecurityFocus: 52622 - Gnuboard 'download.php' HTML Injection Vulnerability
Secunia: 48458 - GNUBoard "filename" Script Insertion Vulnerability, Less Critical

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/23/2015 04:50 PM
Updated: 01/17/2025 12:49 PM
Changes: 03/23/2015 04:50 PM (61), 02/20/2019 03:34 PM (2), 01/17/2025 12:49 PM (18)
Complete: 🔍
Cache ID: 18:137:40

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