Vulnerability details

CVE-2026-85677

Gutenverse News

Gutenverse News < 3.3.3 - Unauthenticated Stored XSS via Comment Content

CVSS 3.1
8.8High

Official 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.

CVSS scores

ScoreVersionSourceVector
8.8High 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
— Gutenverse News v < 3.3.3 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-09-11
Last updated
2026-09-11
State
Published
Assigner (CNA)
WPScan

Exploit prediction (EPSS)

0.5%
Probability of exploitation in 30 days
43.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-79
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')