business-logic-vulnerabilities
github.com/yaklang/hack-skills
Scanned Thu, 28 May 2026 17:25:24 GMT
Scan ID crawl-imggqg3agmjsepxqwn3qc0mk · 11ms
B
SCORE 75 / 100
Verdict: Safe to install

1 high-severity finding.

This skill reads protected filesystem locations plus 1 other issue listed below.

0 critical1 high1 medium10 rules passed

Why grade B?

score · 75 / 100

The current grade reflects 1 high-severity finding (any HIGH → B).

0 CRIT1 HIGH1 MED0 LOW
To reach a higher grade
  • A
    Reach Atarget score 95

    Resolve all 1 HIGH.

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

Findings · ordered by severity

high
Sensitive filesystem path referenced
The skill references a path (`\/etc\/passwd`) that contains credentials or system secrets. Reading this from an unsandboxed skill is a credential-exfiltration vector.
rule: filesystem-overreachline: 688CWE-552
686### 11.9 CSRF / SSRF / XXE
687```
688□ XXE file read (<!ENTITY x SYSTEM "file:///etc/passwd">)sensitive path — credential-exfiltration vector
689□ XXE blind via OOB (parameter entity → DNSLog / Burp Collaborator)
690□ SSRF via image-import / webhook / preview URL (file://, http://127.0.0.1)
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
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