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LetterGrade Cross-Site Scripting and Script Insertion Vulnerabilities
Secunia Advisory: SA26768
Release Date: 2007-09-14
Last Update: 2007-09-20
Popularity: 4,847 views

Critical:
Moderately critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Unpatched

Software:LetterGrade

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
agentsteal has reported some vulnerabilities in LetterGrade, which can be exploited by malicious people to conduct cross-site scripting attacks or by malicious users to conduct script-insertion attacks.

1) Input passed as e.g. a student's email address is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which is executed in a user's browser session in context of an affected site when the malicious data is viewed.

2) Input passed to the "year" parameter in genbrws/Student/cal_month.php3 is not properly sanitised before being returned to a user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site. Reportedly, other parameters in the calendar are also affected.

A full path disclosure and user enumeration weakness have also been reported.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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