Piwigo 2.8.2

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Piwigo v2.8.2 & 2.9.2 CMS - Multiple Cross Site Vulnerabilities

References (Source):

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https://www.vulnerability-lab.com/get_content.php?id=2005

Release Date:

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2018-01-12

Vulnerability Laboratory ID (VL-ID):

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2005

Common Vulnerability Scoring System:

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3.6

Vulnerability Class:

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Cross Site Scripting - Non Persistent

Current Estimated Price:

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500a! - 1.000a!

Product & Service Introduction:

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Piwigo is a photo gallery software for the web, built by an active community of users and developers.

Extensions make Piwigo easily customizable. Icing on the cake, Piwigo is free and opensource. Piwigo site

is available to 13 languages, piwigo to 56 languages.

(Copy of the Homepage: http://piwigo.org/ )

Abstract Advisory Information:

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The vulnerability laboratory core research team discovered multiple client-side cross site scripting vulnerabilities in the Piwigo v2.8.2, 2.9.1 & 2.9.2 CMS.

Vulnerability Disclosure Timeline:

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2018-01-12: Public Disclosure (Vulnerability Laboratory)

Discovery Status:

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Published

Affected Product(s):

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Piwigo

Product: Piwigo - Content Management System (Web-Application) 2.8.2

Exploitation Technique:

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Remote

Severity Level:

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Medium

Technical Details & Description:

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Multiple client-side cross site scripting vulnerabilities has been discovered in the Piwigo v2.8.2 content management system.

The vulnerability allows remote attackers to inject malicious script code to client-side browser to web-application requests.

The client-side cross site scripting vulnerabilities are located in the `tab`,`to`,`section`,`mode`, `installstatus` and

`display` parameters of the `admin.php` file. Remote attackers are able to inject own malicious script code to hijack

admin or moderator session credentials or to manipulate the affected webpages. The attack vector is non-persistent and

the request method to inject is GET. The injection points are the vulnerable parameters and the execution point occurs

in the status message or exception of the backend. The issues affect the backend within the vulnerable modules context.

The security risk of the vulnerabilities are estimated as medium with a cvss (common vulnerability scoring system) count of 3.6.

Exploitation of the web vulnerability requires no privileged web-application user account and only low user interaction.

Successful exploitation of the vulnerability results in non-persistent phishing attacks, session hijacking, non-persistent

external redirect to malicious sources and non-persistent manipulation of affected or connected web module context.

Request Method(s):

[+] GET

Vulnerable File(s):

[+] admin.php

Vulnerable Parameter(s):

[+] tab

[+] to

[+] section

[+] mode

[+] installstatus

[+] display

Affected Module(s):

[+] Backend

Proof of Concept (PoC):

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The client-side xss vulnerabilities can be exploited by remote attackers without privileged user account and with low user interaction.

For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.

PoC: Payloads

http://piwigo.localhost:8080/piwigo/admin.php?page=languages&tab=>"

http://piwigo.localhost:8080/piwigo/admin.php?page=updates&step=2&to=>"