# CVE-2023-3277: MStore API <= 4.10.7 - Unauthorized Account Access and Privilege Escalation

> Unauthenticated attackers can log in as any user knowing their email, leading to account takeover and privilege escalation in the MStore API WordPress plugin.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Nov 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-7pc7-crj3-6p7v

## What is CVE-2023-3277?

CVE-2023-3277 is a critical authentication bypass vulnerability in inspireui MStore API – Create Native Android & iOS Apps On The Cloud, published on 3 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The MStore API plugin for WordPress is vulnerable to Unauthorized Account Access and Privilege Escalation in versions up to, and including, 4.10.7 due to improper implementation of the Apple login feature. This allows unauthenticated attackers to log in as any user as long as they know the user's email address.

Weakness: CWE-288 (Authentication Bypass Using an Alternate Path or Channel)

## Which versions are affected by CVE-2023-3277?

It affects 1 product.


Products: Inspireui Mstore Api.

## How do I fix CVE-2023-3277?

No fix has been published for CVE-2023-3277 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3277 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3277 exists.

Public exploit code:

- MStore API <= 4.10.7 - Unauthorized Account Access and Privilege Escalation (nuclei): http/cves/2023/CVE-2023-3277.yaml

## Other vulnerabilities in inspireui MStore API – Create Native Android & iOS Apps On The Cloud

- [CVE-2024-6328](https://insights.sbomify.com/CVE-2024-6328/): MStore API – Create Native Android & iOS Apps On The Cloud <= 4.14.7 - Authentication Bypass (critical 9.8)
- [CVE-2023-3076](https://insights.sbomify.com/CVE-2023-3076/): MStore API < 3.9.9 - Unauthenticated Privilege Escalation (critical 9.8)
- [CVE-2023-3077](https://insights.sbomify.com/CVE-2023-3077/): MStore API < 3.9.8 - Unauthenticated Blind SQLi (critical 9.8)
- [CVE-2023-3197](https://insights.sbomify.com/CVE-2023-3197/): MStore API <= 4.0.1 - Unauthenticated SQL Injection (critical 9.8)
- [CVE-2020-36713](https://insights.sbomify.com/CVE-2020-36713/): MStore API <= 2.1.5 - Authentication Bypass (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3277 and fix it if it is affected.

What it is: CVE-2023-3277 is a critical authentication bypass vulnerability in inspireui MStore API – Create Native Android & iOS Apps On The Cloud, published on 3 Nov 2023. 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-2023-3277 exists.

Affected product: inspireui MStore API – Create Native Android & iOS Apps On The Cloud. 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-2023-3277/ (Markdown: https://insights.sbomify.com/CVE-2023-3277/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3277
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3277
- OSV: https://osv.dev/vulnerability/CVE-2023-3277

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-3277/
Summaries are generated and may contain mistakes; the official description above is the record.