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Fix js/xss-through-dom: whitelist slug chars in TP destination URLs - #4
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CodeQL alert #1: DOM text from data-dests flows into window.location.href via hrefOf() without sanitization. The fix strips any character not in [a-z0-9-] so a tampered value can never produce a non-zone path or a scheme switch (e.g. javascript:). Adds a Playwright test that opens a multi-dest TP selector, clicks a destination, and asserts the navigated URL matches /zones/<safe-slug>/.
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Fixes CodeQL alert #1: DOM text from data-dests flows into window.location.href via hrefOf() without sanitization.
The fix strips any character not in [a-z0-9-] so a tampered value can never produce a non-zone path or a scheme switch.
Adds a Playwright test: opens a multi-dest TP selector, clicks a destination, asserts the navigated URL matches /zones//.