# CVE-2025-48206: The Backup Plus extension for TYPO3 (ns_backup) allows XSS

Source: https://junglewise.ai/threats/cve-2025-48206-the-backup-plus-extension-for-typo3-ns-backup-allows-xss  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-05-21  
License: CC BY 4.0 with a link back

CVE-2025-48206 · Severity: medium · CVSS 4 · Published 2025-05-21

The Backup Plus extension for TYPO3 (ns_backup) allows XSS

Technologies: [nitsan/ns-backup (Packagist)](https://junglewise.ai/threats/technologies/nitsan-ns-backup). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2025-48206 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-48206 being exploited in the wild.

**How severe is CVE-2025-48206?** Medium severity, with a CVSS score of 4, published 21 May 2025.

**Which products and versions are affected?** nitsan/ns-backup (Packagist) ECOSYSTEM:introduced=0,fixed=13.0.1.

**Is there a fix for CVE-2025-48206?** Yes. nitsan/ns-backup (Packagist): upgrade to 13.0.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-48206?** Check whether you run nitsan/ns-backup (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.

## How to fix

- nitsan/ns-backup (Packagist): upgrade to 13.0.1 or later

  ```sh
  composer require nitsan/ns-backup:^13.0.1
  ```


## Affected products

- nitsan/ns-backup (Packagist) ECOSYSTEM:introduced=0,fixed=13.0.1

## Identifiers

- CVE-2025-48206
- GHSA-xg53-mhh9-3cq7

## Related threats

- [The Backup Plus extension for TYPO3 (ns_backup) has a Predictable Resource Location](https://junglewise.ai/threats/cve-2025-48201-the-backup-plus-extension-for-typo3-ns-backup-has-a-predictable)
- [The Backup Plus extension for TYPO3 (ns_backup) allows command injections](https://junglewise.ai/threats/cve-2025-48204-the-backup-plus-extension-for-typo3-ns-backup-allows-command)