# CVE-2023-6271: Backup Migration Staging < 1.3.6 - Sensitive Data Exposure

> Attackers can access publicly exposed backup files to leak sensitive site data from the Backup Migration WordPress plugin.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Jan 2024
- **Updated:** 11 Jun 2025
- **Also known as:** GHSA-28vh-7gjh-8xmq

## What is CVE-2023-6271?

CVE-2023-6271 is a high-severity vulnerability in Unknown Backup Migration, published on 1 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Backup Migration WordPress plugin before 1.3.6 stores in-progress backups information in easy to find, publicly-accessible files, which may allow attackers monitoring those to leak sensitive information from the site's backups.

## Which versions are affected by CVE-2023-6271?

It affects 1 product.


Products: Backupbliss Backup Migration.

## How do I fix CVE-2023-6271?

No fix has been published for CVE-2023-6271 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6271 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6271 exists.

## Other vulnerabilities in Unknown Backup Migration

- [CVE-2023-6972](https://insights.sbomify.com/CVE-2023-6972/): Backup Migration <= 1.3.9 - Unauthenticated Path Traversal to Arbitrary File Deletion (critical 9.8)
- [CVE-2023-6553](https://insights.sbomify.com/CVE-2023-6553/): Backup Migration <= 1.3.7 - Unauthenticated Remote Code Execution (critical 9.8)
- [CVE-2023-6971](https://insights.sbomify.com/CVE-2023-6971/): Code injection in Backup Migration (high 8.1)
- [CVE-2023-6266](https://insights.sbomify.com/CVE-2023-6266/): Backup Migration <= 1.3.6 - Unauthenticated Arbitrary Backup Download to Sensitive Information Exposure (high 7.5)
- [CVE-2023-7002](https://insights.sbomify.com/CVE-2023-7002/): Backup Migration <= 1.3.9 - Authenticated (Admin+) OS Command Injection via url (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6271 and fix it if it is affected.

What it is: CVE-2023-6271 is a high-severity vulnerability in Unknown Backup Migration, published on 1 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6271 exists.

Affected product: Unknown Backup Migration. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2023-6271/ (Markdown: https://insights.sbomify.com/CVE-2023-6271/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6271
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6271
- OSV: https://osv.dev/vulnerability/CVE-2023-6271

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6271/
Summaries are generated and may contain mistakes; the official description above is the record.