CVE-2025-48201 The Backup Plus extension for TYPO3 (ns_backup) has a Predictable Resource Location
High 8.6
Published
Updated
Check this codebase for CVE-2025-48201 and fix it if it is affected.
What it is: CVE-2025-48201 is a high-severity vulnerability in TYPO3 ns backup extension, published on 21 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-48201 in the wild and no public exploit code.
Affected packages and fixed versions:
- nitsan/ns-backup (Packagist): affected all versions; fixed in 13.0.1
- nitsan/ns-backup (Packagist): affected all versions; fixed in 13.0.1
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2025-48201/ (Markdown: https://insights.sbomify.com/CVE-2025-48201/index.md)
An attacker can access backup files via predictable URLs in the TYPO3 ns_backup extension, leading to data disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-48201?
CVE-2025-48201 is a high-severity vulnerability in TYPO3 ns backup extension, published on 21 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ns_backup extension through 13.0.0 for TYPO3 has a Predictable Resource Location.
Weakness: CWE-425
Which versions are affected by CVE-2025-48201?
2 open source packages ship an affected version, including nitsan/ns-backup.
| Package | Affected | Fixed in |
|---|---|---|
nitsan/ns-backup Packagist | All versions | 13.0.1 |
nitsan/ns-backup Packagist | All versions | 13.0.1 |
How do I fix CVE-2025-48201?
Upgrade nitsan/ns-backup to 13.0.1 or later.
Is CVE-2025-48201 being exploited?
There is no known exploitation of CVE-2025-48201 in the wild and no public exploit code.
Sources
Also known as GHSA-hq4f-5qjv-fwrg.