4 high-severity findings.

This skill runs unsafe shell commands plus 5 other issues listed below.

0 critical4 high2 medium6 rules passed

Why grade C?

score · 55 / 100

The current grade reflects 4 high-severity findings (3+ HIGHs → C).

0 CRIT4 HIGH2 MED0 LOW

To reach a higher grade

B
Reach Btarget score 75
Resolve 2 of 4 HIGH (cap is 2).
A
Reach Atarget score 95
Resolve all 4 HIGH.

Thresholds are documented at /docs/grading. Source-of-truth is the grade() function in @skillox/scanner.

Findings · ordered by severity

high

Dangerous shell pattern: curl | shell

The skill contains a shell command pattern (`curl | shell`) commonly used in destructive or supply-chain attacks.

rule: dangerous-shellline: 117CWE-78

▾

115```bash

116# Install only (installs x0x CLI + x0xd daemon)

117curl -sfL https://x0x.md | sh← curl | shell — common in destructive or supply-chain attacks

118

119# Then start the daemon

high

Dangerous shell pattern: curl | shell

The skill contains a shell command pattern (`curl | shell`) commonly used in destructive or supply-chain attacks.

rule: dangerous-shellline: 123CWE-78

▾

121

122# Install + start in one step

123curl -sfL https://x0x.md | sh -s -- --start← curl | shell — common in destructive or supply-chain attacks

124

125# Fallback if x0x.md is unreachable (same script, from GitHub)

high

Dangerous shell pattern: curl | shell

The skill contains a shell command pattern (`curl | shell`) commonly used in destructive or supply-chain attacks.

rule: dangerous-shellline: 126CWE-78

▾

124

125# Fallback if x0x.md is unreachable (same script, from GitHub)

126curl -sfL https://raw.githubusercontent.com/saorsa-labs/x0x/main/scripts/install.sh | sh← curl | shell — common in destructive or supply-chain attacks

127

128# Autostart on boot (systemd on Linux, launchd on macOS)

high

Dangerous shell pattern: curl | shell

The skill contains a shell command pattern (`curl | shell`) commonly used in destructive or supply-chain attacks.

rule: dangerous-shellline: 129CWE-78

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127

128# Autostart on boot (systemd on Linux, launchd on macOS)

129curl -sfL https://x0x.md | sh -s -- --autostart← curl | shell — common in destructive or supply-chain attacks

130```

131

med

No capability manifest declared

The skill ships without a `manifest.yaml` or `capabilities` block in its frontmatter. Without a manifest, the runtime cannot enforce what this skill is permitted to do.

rule: no-manifest

▾

med

Link text shows "security.md" but points at github.com

The visible link text contains the domain `security.md`, but the URL actually targets `github.com`. This is a phishing/smuggling pattern — the reader sees one host, the agent fetches another. Either update the text or the URL so they match.

rule: anchor-href-mismatchline: 82CWE-601

▾

806 bootstrap nodes (NYC, SFO, Helsinki, Nuremberg, Singapore, Tokyo) provide initial discovery and NAT traversal — they never see your data.

82For security details (algorithms, RFCs, key pinning), see [docs/security.md](https://github.com/saorsa-labs/x0x/blob/main/docs/security.md).← text→security.md · href→github.com

84## Identity: Three Layers

Scan another →Share

skillox.io/r/crawl-ugg0h59a9zusxzh3cohtf2pb