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

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). 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
    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

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