[FD] esoTalk 1.0.0g4: XSS

Security Advisory - Curesec Research Team 1. Introduction Affected Product: esoTalk 1.0.0g4 Fixed in: not fixed Fixed Version Link: n/a Vendor Contact: toby@esotalk.org Vulnerability Type: XSS Remote Exploitable: Yes Reported to vendor: 11/17/2015 Disclosed to public: 12/21/2015 Release mode: Full Disclosure CVE: n/a Credits Tim Coen of Curesec GmbH 2. Overview CVSS Medium 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N Description esoTalk is a light-weight forum software written in PHP. In version 1.0.0g4 and possibly prior versions, there is a reflected XSS vulnerability in the search because a given URL is echoed unencoded in multiple places. Successful exploitation may lead to the injection of JavaScript keyloggers, the stealing of cookies, or the bypassing of CSRF protection. 3. Proof of Concept http://localhost/esoTalk-1.0.0g4/conversations/a'">?search=test 4. Solution This issue was not fixed by the vendor. 5. Report Timeline 11/17/2015 Informed Vendor about Issue (no reply) 12/10/2015 Reminded Vendor of Disclosure Date (no reply) 12/21/2015 Disclosed to public Blog Reference: http://ift.tt/1PknJUw

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