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[browser] XSS vulnerability in browser sidebar #6987

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caseyflynn-google opened this issue Jan 28, 2020 · 0 comments · Fixed by #6988
Closed

[browser] XSS vulnerability in browser sidebar #6987

caseyflynn-google opened this issue Jan 28, 2020 · 0 comments · Fixed by #6988
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security issues related to security

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Description

There is an XSS vulnerability in the side-panel-toolbar

Reproduction Steps

  1. Create a folder outside of Theia named "<style onload=alert(0)>"
    1.a Example: mkdir \<style\ onload=alert\(0\)\>
  2. In Theia click FIle -> Open Workspace
  3. Select the directory named <style onload=alert(0)>
  4. Open the file explorer

Outcome: Theia executes the XSS
Side effect: Theia will continue to execute the XSS on refresh until the workspace is changed.

OS and Theia version:
Linux
Theia 0.14.0

Diagnostics:
@caseyflynn-google caseyflynn-google added the security issues related to security label Jan 28, 2020
@caseyflynn-google caseyflynn-google self-assigned this Jan 28, 2020
caseyflynn-google added a commit to caseyflynn-google/theia that referenced this issue Jan 28, 2020
@caseyflynn-google
fix eclipse-theia#6987 XSS vulnerability in browser sidebar
41281f4 
Change simply updates innerHtml to innerText to ensure user supplied
content does not impact the dom.

Signed-off-by: Casey Flynn <[email protected]>
@caseyflynn-google caseyflynn-google mentioned this issue Jan 28, 2020
Merged
1 task
caseyflynn-google added a commit that referenced this issue Jan 29, 2020
@caseyflynn-google
fix #6987 XSS vulnerability in browser sidebar
a6d565e 
Change simply updates innerHtml to innerText to ensure user supplied
content does not impact the dom.

Signed-off-by: Casey Flynn <[email protected]>
akosyakov pushed a commit to akosyakov/theia that referenced this issue Feb 24, 2020
@caseyflynn-google @akosyakov
fix eclipse-theia#6987 XSS vulnerability in browser sidebar
17a52c8 
Change simply updates innerHtml to innerText to ensure user supplied
content does not impact the dom.

Signed-off-by: Casey Flynn <[email protected]>
JesterOrNot pushed a commit to JesterOrNot/theia that referenced this issue Mar 12, 2020
@caseyflynn-google
fix eclipse-theia#6987 XSS vulnerability in browser sidebar
1b80dac 
Change simply updates innerHtml to innerText to ensure user supplied
content does not impact the dom.

Signed-off-by: Casey Flynn <[email protected]>
@luigigubello luigigubello mentioned this issue Nov 30, 2020
Closed
@luigigubello luigigubello mentioned this issue Dec 16, 2020
Closed
1 task
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fix #6987 XSS vulnerability in browser sidebar caseyflynn-google/theia
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