test: add 15 Lua security scanner fixtures

docs/VULNERABILITY_CATALOG.md

@@ -7,11 +7,11 @@ from each file's header comment, so this page cannot drift from the source.
 
 ## Totals
 
-- **Test cases:** 248
-- **Expected detections:** 248
-- **`VULNERABLE:` markers:** 360 (individual lines a scanner should flag)
-- **`SAFE:` markers:** 265 (lines a scanner must not flag — the false-positive control group)
-- **Languages:** 13 — c, cpp, dotenv, go, java, javascript, json, python, ruby, rust, shell, swift, text
+- **Test cases:** 263
+- **Expected detections:** 263
+- **`VULNERABLE:` markers:** 375 (individual lines a scanner should flag)
+- **`SAFE:` markers:** 280 (lines a scanner must not flag — the false-positive control group)
+- **Languages:** 14 — c, cpp, dotenv, go, java, javascript, json, lua, python, ruby, rust, shell, swift, text
 - **CWE categories:** 102 — CWE-20, CWE-22, CWE-78, CWE-79, CWE-88, CWE-89, CWE-90, CWE-94, CWE-95, CWE-113, CWE-117, CWE-121, CWE-129, CWE-134, CWE-187, CWE-190, CWE-201, CWE-203, CWE-208, CWE-209, CWE-256, CWE-285, CWE-287, CWE-288, CWE-291, CWE-295, CWE-297, CWE-306, CWE-307, CWE-311, CWE-312, CWE-319, CWE-321, CWE-326, CWE-327, CWE-328, CWE-329, CWE-330, CWE-338, CWE-345, CWE-346, CWE-347, CWE-352, CWE-362, CWE-367, CWE-377, CWE-384, CWE-400, CWE-409, CWE-415, CWE-416, CWE-434, CWE-441, CWE-457, CWE-460, CWE-472, CWE-475, CWE-476, CWE-480, CWE-488, CWE-489, CWE-502, CWE-506, CWE-509, CWE-512, CWE-521, CWE-522, CWE-525, CWE-532, CWE-598, CWE-601, CWE-602, CWE-611, CWE-613, CWE-614, CWE-620, CWE-639, CWE-640, CWE-643, CWE-681, CWE-693, CWE-732, CWE-759, CWE-776, CWE-789, CWE-798, CWE-835, CWE-862, CWE-863, CWE-915, CWE-916, CWE-918, CWE-922, CWE-942, CWE-943, CWE-1004, CWE-1021, CWE-1236, CWE-1321, CWE-1333, CWE-1336, CWE-1357
 
 ## How coverage is scored
@@ -171,6 +171,26 @@ counts as a detection. See `docs/SCANNER_INTEGRATION.md`.
 | Code injection via eval() of user input | [`xss-eval-user-input.js`](../vulns/javascript/xss-eval-user-input.js) | CWE-95 | critical | yes | 3 vuln / 1 safe |
 | XML parser with external entity resolution enabled | [`xxe-parser-config.js`](../vulns/javascript/xxe-parser-config.js) | CWE-611 | high | yes | 1 vuln / 1 safe |
 
+## Lua
+
+| Test case | File | CWE | Severity | Expected | Markers |
+|---|---|---|---|---|---|
+| Dynamic code execution from user input | [`dynamic-code-injection.lua`](../vulns/lua/dynamic-code-injection.lua) | CWE-95 | critical | yes | 1 vuln / 1 safe |
+| Hard-coded administrative password | [`hardcoded-password.lua`](../vulns/lua/hardcoded-password.lua) | CWE-798 | high | yes | 1 vuln / 1 safe |
+| Log injection through unsanitized username | [`log-injection.lua`](../vulns/lua/log-injection.lua) | CWE-117 | medium | yes | 1 vuln / 1 safe |
+| Open redirect through untrusted destination | [`open-redirect.lua`](../vulns/lua/open-redirect.lua) | CWE-601 | medium | yes | 1 vuln / 1 safe |
+| Shell command injection through os.execute | [`os-command-injection.lua`](../vulns/lua/os-command-injection.lua) | CWE-78 | critical | yes | 1 vuln / 1 safe |
+| Authentication using a partial token comparison | [`partial-token-comparison.lua`](../vulns/lua/partial-token-comparison.lua) | CWE-187 | high | yes | 1 vuln / 1 safe |
+| Path traversal in file read | [`path-traversal.lua`](../vulns/lua/path-traversal.lua) | CWE-22 | high | yes | 1 vuln / 1 safe |
+| Command injection through io.popen | [`popen-command-injection.lua`](../vulns/lua/popen-command-injection.lua) | CWE-78 | critical | yes | 1 vuln / 1 safe |
+| Predictable shared temporary file | [`predictable-temp-file.lua`](../vulns/lua/predictable-temp-file.lua) | CWE-377 | medium | yes | 1 vuln / 1 safe |
+| SQL injection through string concatenation | [`sql-injection.lua`](../vulns/lua/sql-injection.lua) | CWE-89 | critical | yes | 1 vuln / 1 safe |
+| Server-side request forgery through user URL | [`ssrf-user-url.lua`](../vulns/lua/ssrf-user-url.lua) | CWE-918 | high | yes | 1 vuln / 1 safe |
+| Internal stack trace exposed to a client | [`stack-trace-exposure.lua`](../vulns/lua/stack-trace-exposure.lua) | CWE-209 | medium | yes | 1 vuln / 1 safe |
+| Code execution while deserializing untrusted text | [`unsafe-deserialization.lua`](../vulns/lua/unsafe-deserialization.lua) | CWE-502 | critical | yes | 1 vuln / 1 safe |
+| Predictable session token from math.random | [`weak-random-token.lua`](../vulns/lua/weak-random-token.lua) | CWE-338 | high | yes | 1 vuln / 1 safe |
+| World-writable permissions on exported data | [`world-writable-permissions.lua`](../vulns/lua/world-writable-permissions.lua) | CWE-732 | high | yes | 1 vuln / 1 safe |
+
 ## Python
 
 | Test case | File | CWE | Severity | Expected | Markers |