OCPBUGS-99028: Fix CVE-2026-49978 - bump DOMPurify to >= 3.4.7

[germanparente]

What this PR does / why we need it

CVE-2026-49978: DOMPurify IN_PLACE sanitization bypass via attached Shadow Root inside <template>.content (XSS). Affects DOMPurify versions <= 3.4.6.

monitoring-plugin has DOMPurify 3.3.0 as a transitive dependency via monaco-editor. This adds a dompurify override in package.json to bump it to ^3.4.11 (resolved to 3.4.12).

Which issue(s) this PR fixes

OCPBUGS-99028

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.

[openshift-ci-robot]

@germanparente: This pull request references Jira Issue OCPBUGS-99028, which is invalid:

• expected dependent Jira Issue OCPBUGS-99032 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is ASSIGNED instead
• expected dependent Jira Issue OCPBUGS-99032 to target a version in 4.22.0, but it targets "4.22.z" instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

What this PR does / why we need it

CVE-2026-49978: DOMPurify IN_PLACE sanitization bypass via attached Shadow Root inside <template>.content (XSS). Affects DOMPurify versions <= 3.4.6.

monitoring-plugin has DOMPurify 3.3.0 as a transitive dependency via monaco-editor. This adds a dompurify override in package.json to bump it to ^3.4.11 (resolved to 3.4.12).

Which issue(s) this PR fixes

OCPBUGS-99028

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.

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[jgbernalp]

/lgtm

[jgbernalp]

/label qe-approved

[openshift-ci-robot]

@germanparente: This pull request references Jira Issue OCPBUGS-99028, which is invalid:

• expected dependent Jira Issue OCPBUGS-99032 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is POST instead
• expected dependent Jira Issue OCPBUGS-99032 to target a version in 4.22.0, but it targets "4.22.z" instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

Details

In response to this:

What this PR does / why we need it

CVE-2026-49978: DOMPurify IN_PLACE sanitization bypass via attached Shadow Root inside <template>.content (XSS). Affects DOMPurify versions <= 3.4.6.

monitoring-plugin has DOMPurify 3.3.0 as a transitive dependency via monaco-editor. This adds a dompurify override in package.json to bump it to ^3.4.11 (resolved to 3.4.12).

Which issue(s) this PR fixes

OCPBUGS-99028

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: germanparente, jgbernalp

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