This article is a part of our Vulnerability Database (back to index)

Cross-site Scripting occurrences in Frogcms

FROG CMS 0.9.5 has XSS via the admin/?/snippet/add name parameter, which is mishandled during an edit action, a related issue to CVE-2018-10319. (2018-12-31, CVE-2018-19844)

An issue was discovered in Frog CMS 0.9.5. There is a reflected Cross Site Scripting Vulnerability via the file[current_name] parameter to the admin/?/plugin/file_manager/rename URI. This can be used in conjunction with CSRF. (2018-05-08, CVE-2018-10806)

Frog CMS 0.9.5 has XSS in /install/index.php via the ['config']['admin_username'] field. (2018-04-30, CVE-2018-10570)

Frog CMS 0.9.5 has a stored Cross Site Scripting Vulnerability via "Admin Site title" in Settings. (2018-04-24, CVE-2018-10321)

Frog CMS 0.9.5 has XSS via the admin/?/layout/edit layout[name] parameter, aka Edit Layout. (2018-04-24, CVE-2018-10320)

Frog CMS 0.9.5 has XSS via the admin/?/page/edit page[keywords] parameter, aka Edit Page Metadata. (2018-04-24, CVE-2018-10318)

Frog CMS 0.9.5 has XSS via the admin/?/snippet/edit snippet[name] parameter, aka Edit Snippet. (2018-04-24, CVE-2018-10319)

Why Cross-site Scripting can be dangerous

Cross site scripting is an attack where a web page executes code that is injected by an adversary. It usually appears, when users input is presented. This attack can be used to impersonate a user, take over control of the session, or even steal API keys.

The attack can be executed e.g. when you application injects the request parameter directly into the HTML code of the page returned to the user:

https://server.com/confirmation?message=Transaction+Complete

what results in:

<span>Confirmation: Transaction Complete</span>

In that case the message can be modified to become a valid Javascript code, e.g.:

https://server.com/confirmation?message=<script>dangerous javascript code here</script>

and it will be executed locally by the user's browser with full access to the user's personal application/browser data:

<span>Confirmation: <script>dangerous javascript code here</script></span>

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