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Issue 673163 link

Starred by 3 users

Issue metadata

Status: Fixed
Closed: Dec 2016
EstimatedDays: ----
NextAction: ----
OS: All
Pri: 1
Type: Bug-Security

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Security: Form validation bubbles allow spoofing on other tabs

Reported by, Dec 11 2016

Issue description

Content spoofing on any website

Chrome Version: Version 55.0.2883.75 (64-bit) stable
Operating System: Ubuntu 16.04.1 LTS

Chrome Version: Version 55.0.2883.75
Operating System: Windows 10

Chrome Version: Version 54.0.2840.85 stable
Operating System: Android 6.0.1 (crash)

Screenshot from 2016-12-11 23-39-41.png
66.7 KB View Download
Components: Blink>Forms>Validation
Status: Untriaged (was: Unconfirmed)
Summary: Security: Form validation bubbles allow spoofing on other tabs (was: Security: Content spoofing on any website)
Confirmed in 57.2946. This is a UX bug whereby form field validation bubbles can appear over the wrong tab.

function test(){
aaa = document.getElementById("aaa"); = '0';
aaa.oninvalid = function (e) {"WARNING!\nYOUR COMPUTER MAY BE AT RISK.\nCALL: 800-111-2222");
    <input placeholder="aaa" required id="aaa" />
    <input id='bbb' type="submit" name="submit">
Possibly related to  Issue 516694 .

Comment 3 by, Dec 12 2016

Components: Platform>DevTools>UX
Labels: Security_Severity-High M-54 Security_Impact-Stable OS-All Pri-1
Status: Available (was: Untriaged)

Comment 4 by, Dec 12 2016

Components: -Platform>DevTools>UX Security>UX

Comment 5 by, Dec 12 2016

Labels: Team-Security-UX
Correcting the UX tags, so hopefully the Enamel team will see this.
Components: -Security>UX

Comment 7 by, Dec 12 2016

Per Enamel folks, the Security>UX component is officially deprecated and the Team-Security-UX label should be used instead.
Project Member

Comment 8 by, Dec 13 2016

Labels: -M-54 M-55

Comment 9 by, Dec 14 2016

Status: Started (was: Available)

Comment 10 by, Dec 15 2016

Labels: Merge-Request-56 Merge-Request-55
Status: Fixed (was: Started)
Though Bugdroid didn't notify a commit, [1] fixed this issue.



+ awhalley@ for merge review.
Project Member

Comment 13 by, Dec 15 2016

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify

Comment 14 by, Dec 16 2016

Labels: -Merge-Request-55 Merge-Review-55 Hotlist-Merge-Review
[Automated comment] Request affecting a post-stable build (M55), manual review required.

Comment 15 by, Dec 16 2016

Labels: -Merge-Request-56 Merge-Approved-56 Hotlist-Merge-Approved
Your change meets the bar and is auto-approved for M56 (branch: 2924)
Project Member

Comment 16 by, Dec 16 2016

Labels: -merge-approved-56 merge-merged-2924
The following revision refers to this bug:

commit 3839b3cc636bc10b5385a4f618e5b6ccfac4466b
Author: Kent Tamura <>
Date: Fri Dec 16 05:56:33 2016

Merge "Form validation: Do not show validation bubble if the page is invisible." to M56 branch

BUG= 673163 

Cr-Commit-Position: refs/heads/master@{#438476}
(cherry picked from commit a8e17a3031b6ad69c399e5e04dd0084e577097fc)

Review-Url: .
Cr-Commit-Position: refs/branch-heads/2924@{#523}
Cr-Branched-From: 3a87aecc31cd1ffe751dd72c04e5a96a1fc8108a-refs/heads/master@{#433059}


Labels: -Hotlist-Merge-Review -Hotlist-Merge-Approved -Merge-Review-55 M-56
Labels: reward-topanel
Labels: -Security_Severity-High Security_Severity-Medium
Labels: -reward-topanel reward-unpaid reward-1000
Many thanks for the report.  The panel decided to reward $1,000 for this bug.  A member of our finance team will reach out shortly.

*** Boilerplate reminders! ***
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Labels: -reward-unpaid reward-inprocess
Labels: Release-0-M56
Labels: CVE-2017-5016
Project Member

Comment 25 by, Mar 23 2017

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit - Your friendly Sheriffbot
Labels: CVE_description-submitted

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