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manila.userland cross site scriptable
From: Aaron Kaplan <aaron () lo-res org>
Date: Fri, 14 Apr 2006 23:18:08 +0200
Manila from manila.userland.com is a widely deployed CMS _ _ (http://http://manila.userland.com/selectedCustomers) \`\ /`/\ V / This following cross site scripting exploit was sent to /. .\
userland.com on the 2nd of April. =\ T /= / ^ \ Happy easter-hacking, live from the easterhegg {}/\\ //\ (http://eh.cngw.org) __\ " " /__jgs (____/^ \____)
--- snip -- original post to manila-bugs () userland com follows ----
Multiple XSS bugs in manila. To: manila-bugs () userland com Authors: Michael Bauer <mihi () lo-res org>, Aaron Kaplan <aaron () lo-res org>This bugs will be reported to you and released to the public 10 days aftersubmission to userland.com, as we strongly believe in full disclosure. Software: manila Vendor: userland.com Versions tested : <meta name="generator" content="UserLand Frontier 9.0.1"> Overview: Manila is vulnerable to several XSS injections which can be abusedto steal a cookie from a logged in user. This means taking over his sessiondoing stuff in his name. Details: In the module "msgReader" -------------------------- proof of concept:http://manila.userland.com/discuss/msgReader$1?mode=%22%3E% 3Cscript%3Ealert('XSS!')%3C/script%3E in the module "sendMail": -------------------------- proof of concept:http://profiles.userland.com/sendMail?usernum=2500&referer=% 22%3E%3Cscript%3Ealert('xss')%3C/script%3E in the module "editInBrowser" ----------------------------- explanation:it is possible to use <a> and other html tags to put javascriptinstructions into the webpage examples: <a href=javascript:alert('xss!')>click here</a> <a href=# onmouseover="alert('xss!')">click here</a> <a href=# onmouseout="alert('xss!')">click here</a>demo can be seen on http://mana.manila.at/discuss/msgReader $15?mode=dayas we got an account there. Workaround: htmlescape all user input! if you want to accept html as input write your own html parser for a limited html subset. Disclaimer:For educational purposes only, we are not responsible to any harm producedby the security hole we published.
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- manila.userland cross site scriptable Aaron Kaplan (Apr 15)