CVE-2026-5615 PoC — givanz Vvvebjs File Upload Endpoint upload.php cross site scripting

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-5615.yaml

Associated Vulnerability

Title: givanz Vvvebjs File Upload Endpoint upload.php cross site scripting (CVE-2026-5615)
Description:A weakness has been identified in givanz Vvvebjs up to 2.0.5. The affected element is an unknown function of the file upload.php of the component File Upload Endpoint. This manipulation of the argument uploadAllowExtensions causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. Patch name: 8cac22cff99b8bc701c408aa8e887fa702755336. Applying a patch is the recommended action to fix this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Description

Givanz Vvvebjs <= 2.0.5 contains a stored XSS caused by manipulation of the "uploadAllowExtensions" argument in upload.php File Upload Endpoint, letting remote attackers execute scripts, exploit requires crafted input.

File Snapshot

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