Description
The Gutenverse News WordPress plugin before 3.3.3 does not restrict the extra HTML it adds to WordPress's allowed elements to the context it is meant for, applying the same relaxed list to every sanitisation context including untrusted comments, allowing unauthenticated users to store JavaScript that will execute in the browser of any administrator who reviews the comment queue, and of any visitor to the post once the comment is approved.
Published: 2026-09-11
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Fri, 11 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 11 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Fri, 11 Sep 2026 06:30:00 +0000

Type Values Removed Values Added
Description The Gutenverse News WordPress plugin before 3.3.3 does not restrict the extra HTML it adds to WordPress's allowed elements to the context it is meant for, applying the same relaxed list to every sanitisation context including untrusted comments, allowing unauthenticated users to store JavaScript that will execute in the browser of any administrator who reviews the comment queue, and of any visitor to the post once the comment is approved.
Title Gutenverse News < 3.3.3 - Unauthenticated Stored XSS via Comment Content
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-11T10:09:19.338Z

Reserved: 2026-09-04T13:34:15.574Z

Link: CVE-2026-85677

cve-icon Vulnrichment

Updated: 2026-09-11T10:01:59.739Z

cve-icon NVD

Status : Received

Published: 2026-09-11T07:16:47.147

Modified: 2026-09-11T11:16:55.777

Link: CVE-2026-85677

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T08:30:11Z

Weaknesses