---
cve: "CVE-2018-1000671"
severity: "LOW"
cvss: 3.1
epss: "4%"
vendor: "n/a"
kev: false
exploited: false
published: "2018-09-06 18:29:00"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T06:56:57+02:00"
---

# CVE-2018-1000671

> 3.1 LOW · 🧪 PoC

## Beschreibung

sympa version 6.2.16 and later contains a CWE-601: URL Redirection to Untrusted Site ('Open Redirect') vulnerability in The "referer" parameter of the wwsympa.fcgi login action. that can result in Open redirection and reflected XSS via data URIs. This attack appear to be exploitable via Victim's browser must follow a URL supplied by the attacker. This vulnerability appears to have been fixed in none available.

## Schwachstellen-Klasse

- **CWE-601** — URL Redirection to Untrusted Site ('Open Redirect')
  The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

## Angriffsmuster (CAPEC)

- [CAPEC-178 — Cross-Site Flashing](https://capec.mitre.org/data/definitions/178.html) _(Severity: Medium)_

## Referenzen

- <https://github.com/sympa-community/sympa/issues/268>
- <https://lists.debian.org/debian-lts-announce/2018/09/msg00023.html>
- <https://usn.ubuntu.com/4442-1/>
- <https://lists.debian.org/debian-lts-announce/2020/11/msg00015.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2018-1000671) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_