Files
liquidjs/test/integration
552819a84b fix: enforce ownPropertyOnly for inherited array indices (#924)
* fix: enforce ownPropertyOnly for inherited array indices

Route array index access (including negative indices, first/last, and the
first/last filters) through a shared readArrayElement helper so that
ownPropertyOnly hides prototype-inherited array indices, closing the
GHSA-fwxr-j5w2-587m bypass. The option's scope (property/index access
only, not filter transforms or iteration) is documented on the option.

Co-authored-by: Cursor <[email protected]>

* fix(filters): invoke Array.prototype methods on unsanitized array values

Call built-ins via Array.prototype.<m>.call(...) for values that come
from scope (join, compact, concat, slice, where/reject) so an overridden
instance method on unsanitized data cannot hijack filter behavior.
Methods on freshly-created arrays are left as-is.

Co-authored-by: Cursor <[email protected]>

* fix(filters): use String.prototype.slice for the string branch of slice

Route the non-array branch through String.prototype.slice.call so the
slice filter never dispatches through a possibly-overridden instance
method, matching the Array.prototype guard.

Co-authored-by: Cursor <[email protected]>

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Co-authored-by: Cursor <[email protected]>
2026-07-06 20:12:09 +08:00
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