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FCKedtior 2.6.10 Reflected Cross-Site Scripting (XSS)
Class Cross-Site Scripting
Published 2nd June 2014
Credit Robin Bailey of Dionach (vulns@xxxxxxxxxxx)
Vulnerable FCKeditor <= 2.6.10
FCKeditor 2.6.10 is known to be vulnerable; older versions may also be vulnerable.
Note that this issue is related to CVE-2012-4000, which was a cross-site scripting vulnerability in the values of the textinputs array passed to the spellchecker.php page. To resolve this issue the values of this array were encoded with htmlspecialchars() before being output to the page; however the array keys were still echoed unencoded.
The vendor was notified of this issue, and FCKeditor 2.6.11 was released to address this vulnerability. See the following vendor announcement:
28/05/2014 Vulnerability identified
28/05/2014 Initial vendor contact
28/05/2014 Vendor response to contact
28/05/2014 Vulnerability disclosed to vendor
29/05/2014 Vendor confirms vulnerability
02/06/2014 Vendor releases patch
02/06/2014 Public disclosure of vulnerability
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