webPromedium

Lab 319 — PageForge — Chained Path Traversal to RCE via Asset Bundler

hackadvisor

Task: Express.js CMS with asset bundler path traversal, config file secrets disclosure, and node-serialize deserialization RCE. Solution: 3-step chain — absolute path traversal with URL fragment extension bypass reads server source and secrets, then HMAC-signed node-serialize IIFE payload achieves RCE via admin import endpoint.

$ ls tags/ techniques/
absolute_path_traversal_bypassurl_fragment_extension_whitelist_bypassconfig_file_secrets_extractionnode_serialize_unserialize_rceiife_deserialization_gadgethmac_signed_payload_craftingmulti_stage_vulnerability_chain

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