Hello list! These are Arbitrary File Uploading, Arbitrary File Deletion and Cross-Site Scripting vulnerabilities in Uploadify. Particularly in the version used in aCMS (it looks like these developers use modified version of Uploadify, but other developers also can use such version). ------------------------- Affected products: ------------------------- Vulnerable are Uploadify v2.1.4 and potentially other versions. Particularly version in aCMS. Versions Uploadify 3.x are not vulnerable. ---------- Details: ---------- Arbitrary File Uploading (WASC-31): http://websecurity.com.ua/uploads/2013/Uploadify%20AFU.html Arbitrary File Deletion (WASC-42): http://websecurity.com.ua/uploads/2013/Uploadify%20AFD.html Cross-Site Scripting (WASC-08): http://websecurity.com.ua/uploads/2013/Uploadify%20XSS.html http://websecurity.com.ua/uploads/2013/Uploadify%20XSS-2.html The second attack can be done on Linux/Unix systems, where angle brackets can be used, or with spoofing headers. With the next headers (to specify XSS payload in extension): POST http://site/uploadify.php -----------------------------240841995418756\r\n Content-Disposition: form-data; name="Filedata"; filename="test."\r\n Content-Type: application/octet-stream\r\n \r\n test\r\n \r\n -----------------------------240841995418756\r\n Content-Disposition: form-data; name="folder"\r\n \r\n /uploadify\r\n -----------------------------240841995418756--\r\n ------------ Timeline: ------------ 2013.03.04 - informed developers of aCMS about part of the vulnerabilities. 2013.04.03 - informed developers of aCMS about another part of the vulnerabilities. 2013.04.07 - informed developers of aCMS about another part of the vulnerabilities. 2013.05.25 - informed developers of aCMS about another part of the vulnerabilities. 2013.05.26 - informed developers of aCMS about another part of the vulnerabilities. In all cases the developers just ignored all messages via different e-mails and contact form. 2013.06.12 - announced at my site. 2013.06.22 - informed developers of Uploadify. 2013.09.12 - disclosed at my site (http://websecurity.com.ua/6566/). Best wishes & regards, MustLive Administrator of Websecurity web site http://websecurity.com.ua