Cross-site Scripting Vulnerability in Gutenverse News Plugin for WordPress
CVE-2026-85677

8.8HIGH

Key Information:

Vendor

WordPress
Status
Gutenverse News
Vendor
CVE Published:
11 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-85677?

The Gutenverse News plugin for WordPress versions prior to 3.3.3 allows attackers to inject arbitrary JavaScript into the comment section. This vulnerability arises from improper sanitization of extra HTML elements, which can enable unauthenticated users to submit malicious comments that will execute within the browser context of any administrator reviewing the comment queue. Once approved, this injected JavaScript can further impact visitors, compromising the security of the entire site.

Affected Version(s)

Gutenverse News 0 < 3.3.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-85677 - Proof of Concept

References

https://wpscan.com/vulnerability/80a2cc9f-4242-4ffb-a781-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Artus KG
WPScan
.