# CVE-2024-0530: CXBSoft Post-Office HTTP POST Request reg_go.php sql injection

> SQL injection in CXBSoft Post-Office allows attackers to manipulate database queries via the username_reg parameter in reg_go.php.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Jan 2024
- **Updated:** 3 Jun 2025
- **Also known as:** GHSA-j7ph-rv8p-4jhw

## What is CVE-2024-0530?

CVE-2024-0530 is a medium-severity SQL injection vulnerability in CXBSoft Post-Office, published on 15 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in CXBSoft Post-Office up to 1.0 and classified as critical. Affected by this issue is some unknown functionality of the file /apps/reg_go.php of the component HTTP POST Request Handler. The manipulation of the argument username_reg leads to sql injection. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250700. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2024-0530?

It affects 1 product.


Products: Cxbsoft Post-Office.

## How do I fix CVE-2024-0530?

No fix has been published for CVE-2024-0530 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-0530 being exploited?

There is no known exploitation of CVE-2024-0530 in the wild and no public exploit code.

## Other vulnerabilities in CXBSoft Post-Office

- [CVE-2024-0528](https://insights.sbomify.com/CVE-2024-0528/): CXBSoft Post-Office HTTP POST Request update_go.php sql injection (medium 5.5)
- [CVE-2024-0529](https://insights.sbomify.com/CVE-2024-0529/): CXBSoft Post-Office HTTP POST Request login_auth.php sql injection (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-0530 and fix it if it is affected.

What it is: CVE-2024-0530 is a medium-severity SQL injection vulnerability in CXBSoft Post-Office, published on 15 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-0530 in the wild and no public exploit code.

Affected product: CXBSoft Post-Office. 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-2024-0530/ (Markdown: https://insights.sbomify.com/CVE-2024-0530/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-0530
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-0530
- OSV: https://osv.dev/vulnerability/CVE-2024-0530

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-0530/
Summaries are generated and may contain mistakes; the official description above is the record.