# CVE-2023-6551: class.upload.php allows cross-site scripting attacks via uploaded files

Source: https://junglewise.ai/threats/cve-2023-6551-class-upload-php-allows-cross-site-scripting-attacks-via-uploaded  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-01-04  
License: CC BY 4.0 with a link back

CVE-2023-6551 · Severity: low · CVSS 3.1 · Published 2024-01-04

class.upload.php allows cross-site scripting attacks via uploaded files

Technologies: [verot/class.upload.php (Packagist)](https://junglewise.ai/threats/technologies/verot-class-upload-php). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2023-6551 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-6551 being exploited in the wild.

**How severe is CVE-2023-6551?** Low severity, with a CVSS score of 3.1, published 4 January 2024.

**Which products and versions are affected?** verot/class.upload.php (Packagist) ECOSYSTEM:introduced=0,last_affected=2.1.6.

**Is there a fix for CVE-2023-6551?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2023-6551?** Check whether you run verot/class.upload.php (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- verot/class.upload.php (Packagist) ECOSYSTEM:introduced=0,last_affected=2.1.6

## Identifiers

- CVE-2023-6551
- GHSA-v6f4-jwv9-682w

## Related threats

- [verot.net class.upload.php Unrestricted File Upload via .pht extension](https://junglewise.ai/threats/cve-2019-19634-verot-net-class-upload-php-unrestricted-file-upload-via-pht)
- [Verot class.upload.php Remote Code Execution via PHAR Upload](https://junglewise.ai/threats/cve-2019-19576-verot-class-upload-php-remote-code-execution-via-phar-upload)