Cross-Site Scripting Vulnerability in givanz Vvvebjs File Upload
CVE-2026-5615

5.3MEDIUM

Key Information:

Vendor

Givanz

Status
Vvvebjs
Vendor
CVE Published:
6 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5615?

A vulnerability has been identified in givanz Vvvebjs prior to version 2.0.5, specifically within the file upload functionality of the component File Upload Endpoint. This weakness stems from improper handling of the 'uploadAllowExtensions' parameter, which opens the door to cross-site scripting (XSS) attacks. Malicious actors can exploit this vulnerability remotely, potentially leading to unauthorized actions on behalf of users. Publicly disclosed exploits make this issue particularly concerning. The vendor promptly addressed the situation, releasing a patch identified as 8cac22cff99b8bc701c408aa8e887fa702755336 to remediate the vulnerability.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

Vvvebjs 2.0.0

Vvvebjs 2.0.1

Vvvebjs 2.0.2

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-2026-5615 - Proof of Concept

References

https://vuldb.com/vuln/355406
vdb-entrytechnical-description
https://vuldb.com/vuln/355406/cti
signaturepermissions-required
https://vuldb.com/submit/785563
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

EthX0_ (VulDB User)
VulDB CNA Team
JSON
.