Opened on 04/18/2018 at 10:03:07 AM
Closed on 04/18/2018 at 06:38:10 PM
#6594 closed defect (duplicate)
Procedural hiding doesn't work on Firefox when ABP is installed alongside with Stylus extension and at least one style is active
| Reported by: | Lain_13 | Assignee: | mjethani |
|---|---|---|---|
| Priority: | Unknown | Milestone: | |
| Module: | Unknown | Keywords: | |
| Cc: | mjethani, kzar, hfiguiere, mapx | Blocked By: | |
| Blocking: | Platform: | Firefox | |
| Ready: | no | Confidential: | no |
| Tester: | Unknown | Verified working: | no |
| Review URL(s): | |||
Description
Environment
Windows 10
Firefox 60.0b12
Adblock Plus 3.0.2
Stylus 1.3.17 (works fine with Stylish 3.0.1)
How to reproduce
- Visit test.com
- Add filter
test.com#?#.row .row:-abp-has(p:-abp-contains(custom test))
- Reload test.com
- Add style for test.com
.columns { background-color: whitesmoke } - Reload test.com
Observed behaviour
At step 3 block of text "Enterprise custom test and lesson software..." with a button is hidden. At step 5 it's visible again with white-ish background.
No error messages in the console.
Expected behaviour
At step 5 text remains hidden, same as at step 3.
Attachments (0)
Change History (7)
comment:1 Changed on 04/18/2018 at 03:50:09 PM by mapx
- Cc mjethani kzar hfiguiere mapx added
comment:2 Changed on 04/18/2018 at 04:43:18 PM by mjethani
- Summary changed from Procedural hiding doesn't work of Fx when ABP installed alongside with Stylus extension and at least 1 style is active to Procedural hiding doesn't work on Firefox when ABP is installed alongside with Stylus extension and at least one style is active
comment:3 Changed on 04/18/2018 at 05:48:05 PM by mjethani
comment:5 Changed on 04/18/2018 at 05:49:02 PM by mjethani
- Owner set to mjethani
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Investigated.
What's happening here is that we get a DOMException ("The operation is insecure.") when we try to access Stylus's CSS rules. Apparently this is expected on Firefox. I've submitted a patch.