Cross-site Scripting (XSS) - Stored in zikula/core

Valid

Reported on

Aug 31st 2021


✍️ Description

Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites

🕵️‍♂️ Proof of Concept

// PoC.js
1- Go to --> https://demo.ziku.la/blocks/admin/block/edit/2
2- Go to Editor and link a test word with a link ( As mentionned in the picture attached )
3- Inject " javascript:alert(document.domain); " and click ok & Save the Block .
4 - Click view the Block to see it and Click the word you linked . You will get an alert . in my Case here i clicked the " Slack " word.

Go --> https://demo.ziku.la/blocks/admin/block/view/2 to View the block i've already edited . Click " Slack " word and you will get an alert.

** See this ( Attahced pics ) **

POC1 --> https://i.ibb.co/T4QLgVT/POC1.png

POC2 --> https://i.ibb.co/gVyd5qx/POC.png

💥 Impact

\.. This vulnerability is capable of... steal user session , takeover user account , make redirect user to attacker controlled site ...//

Occurences

We have contacted a member of the zikula/core team and are waiting to hear back 3 months ago
We have contacted a member of the zikula/core team and are waiting to hear back 3 months ago
Axel Guckelsberger validated this vulnerability 3 months ago
0x9x has been awarded the disclosure bounty
The fix bounty is now up for grabs
Axel Guckelsberger confirmed that a fix has been merged on 03d3af 3 months ago
The fix bounty has been dropped
0x9x
3 months ago

Researcher


Thanks Axel , Appriciated .