73821 : TCExam /public/code/tce_user_change_email.php xl_user_email Parameter XSS
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
10	851	almost 2 years ago	almost 2 years ago	6 times	100%

Timeline

Disclosure Date
2011-07-13

Time to Patch	Time to Exploit	Time to Vendor Response
3 days	4 days	1 days

Description

TCExam contains a flaw that allows a remote cross-site scripting (XSS) attack. This flaw exists because the application does not validate the 'xl_user_email' parameter upon submission to the /public/code/tce_user_change_email.php script. This may allow a user to create a specially crafted URL that would execute arbitrary script code in a user's browser within the trust relationship between their browser and the server.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

Upgrade to version 11.2.012 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Nicola Asuni	TCExam	11.2.009
		11.2.010
		11.2.011

References

Secunia Advisory ID: 45225
Bugtraq ID: 48669
Related OSVDB ID: 73810 73811 73812 73813 73814 73815 73816 73817 73818 73819 73820 73822 73823 73824 74081
Packet Storm: http://packetstormsecurity.org/files/103035
Other Advisory URL: http://securityreason.com/wlb_show/WLB-2011070042
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5025.php
Vendor Specific News/Changelog Entry: http://sourceforge.net/projects/tcexam/files/CHANGELOG.TXT
http://sourceforge.net/projects/tcexam/files/tcexam_11_2_012.zip

Credit

Gjoko Krstic - Zero Science Lab

CVSSv2 Score

NVD does not currently have a CVSSv2 score assigned.

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