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…x global var leak, harden deploy - Upgrade jQuery 2.2.0 to 3.7.1 (fixes CVE-2020-11022, CVE-2020-23064, CVE-2019-11358) - Fix implicit global variable 'z' leak in variants.js (isStandardSet, isSuperSet) - Add --exclude flags to deploy.sh and dev.sh to prevent deploying sensitive files Co-Authored-By: scott.wu46+devintesting <scott.wu46@gmail.com>
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Summary
Security audit of the codebase identified several issues across multiple severity levels. This PR fixes the critical and medium findings:
Upgrade jQuery 2.2.0 → 3.7.1 — jQuery 2.2.0 has 5 known CVEs including XSS (CVE-2020-11022, CVE-2020-23064) and Prototype Pollution (CVE-2019-11358). The app uses
.html()in 6 places, making the XSS vulnerabilities exploitable in principle.Add
<!DOCTYPE html>and<meta charset="UTF-8">to all 4 HTML files (index.html, superset.html, hiddenset.html, powerset.html). Missing DOCTYPE triggers quirks mode; missing charset opens encoding-based attack vectors.Fix implicit global variable
zinvariants.js—for (z of ...)inisStandardSet()andisSuperSet()leakedzto global scope, enabling potential variable pollution. Changed tofor (var z of ...).Harden
deploy.shanddev.sh— Added--excludeflags for.git,.env*,*.pem,*.keyto prevent accidental deployment of sensitive files.Not applicable (no server-side code):
SQL injection, CORS, debug endpoints, hardcoded secrets, missing authentication — all N/A for this static frontend app.
Review & Testing Checklist for Human
Notes
.html(),.fadeIn/Out(),.addClass/removeClass(),.on(),.css()) which are all stable across versions. No migration issues expected.setshadowingSetconstructor, no clickjacking protection, localStorage schema validation) were not addressed in this PR to keep changes focused on critical/medium fixes.Link to Devin session: https://staging.itsdev.in/sessions/eefcdce337d04c87832273eeedb1966d
Requested by: @s-wu