René's URL Explorer Experiment


Title: 1601496 - Firefox does not set the value of `document.referrer` to that of the Referer header sent if it's modified by an extension

Open Graph Title: 1601496 - Firefox does not set the value of `document.referrer` to that of the Referer header sent if it's modified by an extension

Open Graph Description: REOPENED (nobody) in Core - DOM: Security. Last updated 2025-03-11.

Opengraph URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1601496

Generator: Bugzilla 20261103.1

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Domain: bugzilla.mozilla.org

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Regressions: https://wiki.mozilla.org/BMO/UserGuide/BugFields#regresses
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1534681https://bugzilla.mozilla.org/show_bug.cgi?id=1534681
URL: https://wiki.mozilla.org/BMO/UserGuide/BugFields#bug_file_loc
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1601743https://bugzilla.mozilla.org/show_bug.cgi?id=1601743
Alias: https://wiki.mozilla.org/BMO/UserGuide/BugFields#alias
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screenrecording.gif https://bugzilla.mozilla.org/attachment.cgi?id=9114808
6 years agohttps://bugzilla.mozilla.org/1601496#c10
Alex Cornesteanhttps://bugzilla.mozilla.org/user_profile?user_id=636286
Detailshttps://bugzilla.mozilla.org/attachment.cgi?id=9114808&action=edit
Erin of Yukis [:ntninja]https://bugzilla.mozilla.org/user_profile?user_id=459179
Descriptionhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c0
https://addons.mozilla.org/de/firefox/addon/smart-referer/https://addons.mozilla.org/de/firefox/addon/smart-referer/
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
https://browserleaks.com/javascript”https://browserleaks.com/javascript%E2%80%9D
Gingerbread Manhttps://bugzilla.mozilla.org/user_profile?user_id=353206
Comment 1https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c1
https://mozilla.github.io/mozregression/quickstart.htmlhttps://mozilla.github.io/mozregression/quickstart.html
regressionhttps://bugzilla.mozilla.org/buglist.cgi?keywords=regression&resolution=---
regressionwindow-wantedhttps://bugzilla.mozilla.org/buglist.cgi?keywords=regressionwindow-wanted&resolution=---
Alice0775 Whitehttps://bugzilla.mozilla.org/user_profile?user_id=293623
Comment 2https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c2
https://addons.mozilla.org/en-US/firefox/addon/smart-referer/versions/https://addons.mozilla.org/en-US/firefox/addon/smart-referer/versions/
Gingerbread Manhttps://bugzilla.mozilla.org/user_profile?user_id=353206
Comment 3https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c3
comment #2https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c2
co-author of the add-onhttps://addons.mozilla.org/firefox/user/5622055/
comment #0https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c0
Alice0775 Whitehttps://bugzilla.mozilla.org/user_profile?user_id=293623
Comment 4https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c4
https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=c259c1017aa193b8b4a2031488aab0dc779b3a2f&tochange=b5df2e6d8478cb4aea88d109259714ca2772b6cdhttps://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=c259c1017aa193b8b4a2031488aab0dc779b3a2f&tochange=b5df2e6d8478cb4aea88d109259714ca2772b6cd
Alice0775 Whitehttps://bugzilla.mozilla.org/user_profile?user_id=293623
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a71381_293623
regressionwindow-wantedhttps://bugzilla.mozilla.org/buglist.cgi?keywords=regressionwindow-wanted&resolution=---
1534681https://bugzilla.mozilla.org/show_bug.cgi?id=1534681
Gingerbread Manhttps://bugzilla.mozilla.org/user_profile?user_id=353206
Comment 5https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c5
Alex Cornesteanhttps://bugzilla.mozilla.org/user_profile?user_id=636286
Comment 6https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c6
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
status-firefox71https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox71&o1=isnotempty
affectedhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox71&o1=equals&v1=affected
status-firefox72https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox72&o1=isnotempty
affectedhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox72&o1=equals&v1=affected
status-firefox73https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox73&o1=isnotempty
unaffectedhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox73&o1=equals&v1=unaffected
Alice0775 Whitehttps://bugzilla.mozilla.org/user_profile?user_id=293623
Comment 7https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c7
comment #6https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c6
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
Bug 1601743https://bugzilla.mozilla.org/show_bug.cgi?id=1601743
Shane Caraveo (:mixedpuppy)https://bugzilla.mozilla.org/user_profile?user_id=372685
Comment 8https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c8
Erin of Yukis [:ntninja]https://bugzilla.mozilla.org/user_profile?user_id=459179
Comment 9https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c9
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
Alex Cornesteanhttps://bugzilla.mozilla.org/user_profile?user_id=636286
Comment 10https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c10
screenrecording.gifhttps://bugzilla.mozilla.org/attachment.cgi?id=9114808
Detailshttps://bugzilla.mozilla.org/attachment.cgi?id=9114808&action=edit
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
Alice0775 Whitehttps://bugzilla.mozilla.org/user_profile?user_id=293623
Comment 11https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c11
comment #10https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c10
attachment 9114808https://bugzilla.mozilla.org/attachment.cgi?id=9114808
[details]https://bugzilla.mozilla.org/attachment.cgi?id=9114808&action=edit
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
Bug 1601743https://bugzilla.mozilla.org/show_bug.cgi?id=1601743
Alice0775 Whitehttps://bugzilla.mozilla.org/user_profile?user_id=293623
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a464759_293623
1601743https://bugzilla.mozilla.org/show_bug.cgi?id=1601743
Daniel Veditz [:dveditz]https://bugzilla.mozilla.org/user_profile?user_id=1689
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a496754_1689
Julien Cristau [:jcristau]https://bugzilla.mozilla.org/user_profile?user_id=580382
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a579480_580382
status-firefox71https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox71&o1=isnotempty
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wontfixhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox71&o1=equals&v1=wontfix
status-firefox72https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox72&o1=isnotempty
affectedhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox72&o1=equals&v1=affected
fix-optionalhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox72&o1=equals&v1=fix-optional
Erin of Yukis [:ntninja]https://bugzilla.mozilla.org/user_profile?user_id=459179
Comment 12https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c12
bug 1601743https://bugzilla.mozilla.org/show_bug.cgi?id=1601743
Jonathan Kingston [:jkt] he/himhttps://bugzilla.mozilla.org/user_profile?user_id=563455
Comment 13https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c13
Jonathan Kingston [:jkt] he/himhttps://bugzilla.mozilla.org/user_profile?user_id=563455
Comment 14https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c14
Erin of Yukis [:ntninja]https://bugzilla.mozilla.org/user_profile?user_id=459179
Comment 15https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c15
https://addons.mozilla.org/de/firefox/addon/smart-referer/versions/https://addons.mozilla.org/de/firefox/addon/smart-referer/versions/
Jonathan Kingston [:jkt] he/himhttps://bugzilla.mozilla.org/user_profile?user_id=563455
Comment 16https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c16
bug 1601743https://bugzilla.mozilla.org/show_bug.cgi?id=1601743
Erin of Yukis [:ntninja]https://bugzilla.mozilla.org/user_profile?user_id=459179
Comment 17https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c17
Erin of Yukis [:ntninja]https://bugzilla.mozilla.org/user_profile?user_id=459179
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a1257979_459179
uBlock-userhttps://bugzilla.mozilla.org/user_profile?user_id=617930
Comment 18https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c18
https://github.com/uBlockOrigin/uMatrix-issues/issues/78https://github.com/uBlockOrigin/uMatrix-issues/issues/78
Julien Cristau [:jcristau]https://bugzilla.mozilla.org/user_profile?user_id=580382
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a1260066_580382
status-firefox73https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox73&o1=isnotempty
unaffectedhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox73&o1=equals&v1=unaffected
affectedhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox73&o1=equals&v1=affected
Jonathan Kingston [:jkt] he/himhttps://bugzilla.mozilla.org/user_profile?user_id=563455
Comment 19https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c19
Thomas Nguyen (:tnguyen)https://bugzilla.mozilla.org/user_profile?user_id=550180
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a2974462_550180
Christoph Kerschbaumer [:ckerschb]https://bugzilla.mozilla.org/user_profile?user_id=363267
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a2979119_363267
Thomas Nguyen (:tnguyen)https://bugzilla.mozilla.org/user_profile?user_id=550180
Comment 20https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c20
Editedhttps://bugzilla.mozilla.org/page.cgi?id=comment-revisions.html&bug_id=1601496&comment_id=14580189
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
uBlock-userhttps://bugzilla.mozilla.org/user_profile?user_id=617930
Comment 21https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c21
Thomas Nguyen (:tnguyen)https://bugzilla.mozilla.org/user_profile?user_id=550180
Comment 22https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c22
https://browserleaks.comhttps://browserleaks.com
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
Erin of Yukis [:ntninja]https://bugzilla.mozilla.org/user_profile?user_id=459179
Comment 23https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c23
uBlock-userhttps://bugzilla.mozilla.org/user_profile?user_id=617930
Comment 24https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c24
Thomas Nguyen (:tnguyen)https://bugzilla.mozilla.org/user_profile?user_id=550180
Comment 25https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c25
comment #24https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c24
uBlock-userhttps://bugzilla.mozilla.org/user_profile?user_id=617930
Comment 26https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c26
Thomas Nguyen (:tnguyen)https://bugzilla.mozilla.org/user_profile?user_id=550180
Comment 27https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c27
Editedhttps://bugzilla.mozilla.org/page.cgi?id=comment-revisions.html&bug_id=1601496&comment_id=14582527
https://browserleaks.comhttps://browserleaks.com
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
uBlock-userhttps://bugzilla.mozilla.org/user_profile?user_id=617930
Comment 28https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c28
Ryan VanderMeulen [:RyanVM]https://bugzilla.mozilla.org/user_profile?user_id=75935
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a3448910_75935
status-firefox72https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox72&o1=isnotempty
fix-optionalhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox72&o1=equals&v1=fix-optional
wontfixhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox72&o1=equals&v1=wontfix
status-firefox73https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox73&o1=isnotempty
affectedhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox73&o1=equals&v1=affected
fix-optionalhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox73&o1=equals&v1=fix-optional
status-firefox74https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox74&o1=isnotempty
fix-optionalhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox74&o1=equals&v1=fix-optional
status-firefox-esr68https://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox_esr68&o1=isnotempty
unaffectedhttps://bugzilla.mozilla.org/buglist.cgi?f1=cf_status_firefox_esr68&o1=equals&v1=unaffected
Kevin Lockehttps://bugzilla.mozilla.org/user_profile?user_id=436882
Comment 29https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c29
https://browserleaks.com/javascripthttps://browserleaks.com/javascript
https://example.comhttps://example.com
https://example.comhttps://example.com
https://example.comhttps://example.com
comment #25https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c25
Kevin Lockehttps://bugzilla.mozilla.org/user_profile?user_id=436882
Comment 30https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c30
comment #29https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c29
https://example.comhttps://example.com
https://example.comhttps://example.com
https://example.comhttps://example.com
https://example.comhttps://example.com
Christoph Kerschbaumer [:ckerschb]https://bugzilla.mozilla.org/user_profile?user_id=363267
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a14322494_363267
Daniel Veditz [:dveditz]https://bugzilla.mozilla.org/user_profile?user_id=1689
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a14401980_1689
Christoph Kerschbaumer [:ckerschb]https://bugzilla.mozilla.org/user_profile?user_id=363267
Comment 31https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c31
BMO Automationhttps://bugzilla.mozilla.org/user_profile?user_id=546015
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a90029216_546015
fiona.klutehttps://bugzilla.mozilla.org/user_profile?user_id=716725
Comment 32https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c32
Referer Modifier extensionhttps://github.com/airtower-luna/referer-mod
does the samehttps://gitlab.com/smart-referrer/smart-referer/-/blob/8ddc4409756af71dcb98d692fa1e4b3054b8e856/background/main.js#L318
uBlock-userhttps://bugzilla.mozilla.org/user_profile?user_id=617930
Comment 33https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c33
Daniel Veditz [:dveditz]https://bugzilla.mozilla.org/user_profile?user_id=1689
Comment 34https://bugzilla.mozilla.org/show_bug.cgi?id=1601496#c34
Daniel Veditz [:dveditz]https://bugzilla.mozilla.org/user_profile?user_id=1689
Updatedhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496#a92301518_1689
log inhttps://bugzilla.mozilla.org/show_bug.cgi?id=1601496&GoAheadAndLogIn=1
Alex Cornesteanhttps://bugzilla.mozilla.org/user_profile?user_id=636286

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