xss-cross-site-scripting
github.com/yaklang/hack-skills
Scanned Thu, 28 May 2026 17:24:23 GMT
Scan ID crawl-a1gyn7z2aha6vmh3mhba2dbr · 1ms
B
SCORE 75 / 100
Verdict: Safe to install

3 medium findings.

This skill spawns subprocesses outside its declared capabilities plus 2 other issues listed below.

0 critical0 high3 medium9 rules passed

Why grade B?

score · 75 / 100

The current grade reflects 3 medium findings (3+ MEDs → B).

0 CRIT0 HIGH3 MED0 LOW
To reach a higher grade
  • A
    Reach Atarget score 95

    Resolve 1 of 3 MED (cap is 2).

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

Findings · ordered by severity

med
Arbitrary subprocess execution detected
The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.
rule: subprocess-executionline: 310CWE-78
308r.open('GET', '/account/settings', false);
309r.send();
310var token = /csrf_token['":\s]+([^'"<\s]+)/.exec(r.responseText)[1];spawns a subprocess outside declared capabilities
311var f = new XMLHttpRequest();
312f.open('POST', '/account/email/change', true);
med
Arbitrary subprocess execution detected
The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.
rule: subprocess-executionline: 324CWE-78
322a = new XMLHttpRequest();
323a.open('GET', p+q, 0); a.send();
324$ = '_wpnonce=' + /nonce" value="([^"]*?)"/.exec(a.responseText)[1] +spawns a subprocess outside declared capabilities
325 '&newcontent=' + encodeURIComponent(s) + '&action=update&' + q;
326b = new XMLHttpRequest();
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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