CVE-2026-48054High· 8.8▾ TwilightOpenZeppelin Contracts Wizard is a web application to interactively build a contract out of components from OpenZeppelin Contracts. Versions prior to 0.10.9 generate a Hardhat test file (`test/test.ts`) by interpolating user-supplied `op…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Aug 7.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.5%
Last analysed / modified upstream
0.5% → 0.6%
OpenZeppelin Contracts Wizard is a web application to interactively build a contract out of components from OpenZeppelin Contracts. Versions prior to 0.10.9 generate a Hardhat test file (test/test.ts) by interpolating user-supplied opts.name (ERC20/ERC721) and opts.uri (ERC1155) directly into TypeScript string literals at zip-hardhat.ts:48 and :50 without any JavaScript string escaping. No authentication is required: an attacker crafts a URL such as https[:]//wizard[.]openzeppelin[.]com/#/erc20?name=");require("child_process").execSync("...");(" and shares it with a developer. When the victim downloads the resulting zip archive and runs npx hardhat test, the injected Node.js code executes with the developer's local OS privileges. Version 0.10.9 fixes the issue.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
@openzeppelin/wizard <= 0.10.8Patched in:
@openzeppelin/wizard 0.10.9Connected by shared product, vendor, weakness, or advisory.
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