# CVE-2023-53877: Bus Reservation System 1.1 Multiple SQL Injection via pickup_id Parameter

> Attackers can exploit SQL injection in the pickup_id parameter to steal information from the database of the Bus Reservation System.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Dec 2025
- **Updated:** 7 Apr 2026
- **Also known as:** GHSA-43rm-gxmf-pr64

## What is CVE-2023-53877?

CVE-2023-53877 is a critical SQL injection vulnerability in Phpjabbers Bus Reservation System, published on 15 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Bus Reservation System 1.1 contains a SQL injection vulnerability in the pickup_id parameter that allows attackers to manipulate database queries. Attackers can exploit boolean-based, error-based, and time-based blind SQL injection techniques to steal information from the database.

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

## Which versions are affected by CVE-2023-53877?

It affects 1 product.


Products: Phpjabbers Bus Reservation System.

## How do I fix CVE-2023-53877?

No fix has been published for CVE-2023-53877 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-53877 being exploited?

There is no known exploitation of CVE-2023-53877 in the wild and no public exploit code.

## Other vulnerabilities in Phpjabbers Bus Reservation System

- [CVE-2023-51319](https://insights.sbomify.com/CVE-2023-51319/): Code injection in n/a (high 8.8)
- [CVE-2023-51316](https://insights.sbomify.com/CVE-2023-51316/): Denial of service in n/a (high 7.5)
- [CVE-2023-51318](https://insights.sbomify.com/CVE-2023-51318/): Cross-site scripting in n/a (medium 5.4)
- [CVE-2023-4111](https://insights.sbomify.com/CVE-2023-4111/): PHP Jabbers Bus Reservation System index.php cross site scripting (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-53877 and fix it if it is affected.

What it is: CVE-2023-53877 is a critical SQL injection vulnerability in Phpjabbers Bus Reservation System, published on 15 Dec 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-2023-53877 in the wild and no public exploit code.

Affected product: Phpjabbers Bus Reservation System. 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-2023-53877/ (Markdown: https://insights.sbomify.com/CVE-2023-53877/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-53877
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-53877
- OSV: https://osv.dev/vulnerability/CVE-2023-53877

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-53877/
Summaries are generated and may contain mistakes; the official description above is the record.