Cross-site Scripting (XSS) - Stored in zikula-modules/content


Reported on

Sep 20th 2021


Stored XSS in External element Feed when created Content

Proof of Concept

POST /content/item/edit?type=Zikula%5CContentModule%5CContentType%5CFeedType HTTP/2
Cookie: _zsid=5idn7q9udrp7mgirikmdlep45d
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:93.0) Gecko/20100101 Firefox/93.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 743
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin
Te: trailers


Step to reproduce

From Content choose Create page

At Your_Page_Create choose Manage content > Add Element > External > Feed

Input URL RSS feed with containing malicious script. Example malicious RSS : Link

XSS will trigger when user click to RSS Feed

Video PoC: PoC


This vulnerability has the potential to steal a user's cookie and gain unauthorized access to that user's account through the stolen cookie.

We have contacted a member of the zikula-modules/content team and are waiting to hear back 2 years ago
Axel Guckelsberger validated this vulnerability 2 years ago
lethanhphuc has been awarded the disclosure bounty
The fix bounty is now up for grabs
Axel Guckelsberger marked this as fixed with commit 0e8356 2 years ago
Axel Guckelsberger has been awarded the fix bounty
This vulnerability will not receive a CVE
to join this conversation