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    <lastBuildDate>Mon, 05 Oct 2026 04:09:09 +0000</lastBuildDate>
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      <title>CVE-2021-42083 — Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2021-42083</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; OSNEXUS QuantaStor&lt;/p&gt;
&lt;p&gt;An authenticated attacker is able to create alerts that trigger a stored XSS attack.&lt;/p&gt;
&lt;p&gt;POC&lt;/p&gt;
&lt;p&gt;*  go to the alert manager&lt;/p&gt;
&lt;p&gt;*  open the ITSM tab
  *  add a webhook with the URL/service token value&lt;/p&gt;
&lt;p&gt;&amp;#39;	-h	&amp;amp;&amp;amp;	id	|	tee	/tmp/ttttttddddssss	#&amp;#39; (whitespaces are tab characters)&lt;/p&gt;
&lt;p&gt;*  click add&lt;/p&gt;
&lt;p&gt;*  click apply&lt;/p&gt;
&lt;p&gt;*  create a test alert&lt;/p&gt;
&lt;p&gt;*  The test alert will run the command&lt;/p&gt;
&lt;p&gt;“id	|	tee	/tmp/ttttttddddssss” as root.&lt;/p&gt;
&lt;p&gt;*  after the test alert inspect&lt;/p&gt;
&lt;p&gt;/tmp/ttttttddddssss it&amp;#39;ll contain the ids of the root user.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; OSNEXUS QuantaStor&lt;/p&gt;
&lt;p&gt;An authenticated attacker is able to create alerts that trigger a stored XSS attack.&lt;/p&gt;
&lt;p&gt;POC&lt;/p&gt;
&lt;p&gt;*  go to the alert manager&lt;/p&gt;
&lt;p&gt;*  open the ITSM tab
  *  add a webhook with the URL/service token value&lt;/p&gt;
&lt;p&gt;&amp;#39;	-h	&amp;amp;&amp;amp;	id	|	tee	/tmp/ttttttddddssss	#&amp;#39; (whitespaces are tab characters)&lt;/p&gt;
&lt;p&gt;*  click add&lt;/p&gt;
&lt;p&gt;*  click apply&lt;/p&gt;
&lt;p&gt;*  create a test alert&lt;/p&gt;
&lt;p&gt;*  The test alert will run the command&lt;/p&gt;
&lt;p&gt;“id	|	tee	/tmp/ttttttddddssss” as root.&lt;/p&gt;
&lt;p&gt;*  after the test alert inspect&lt;/p&gt;
&lt;p&gt;/tmp/ttttttddddssss it&amp;#39;ll contain the ids of the root user.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2021-42083</guid>
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