Open Redirect in Sympa

CVE-2018-1000671

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.

Vulnerability class: Open Redirect

EPSS: 0.040 (89.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1000671?
CVE-2018-1000671 is a medium-severity vulnerability in Sympa, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2018-09-06.
How severe is CVE-2018-1000671?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2018-1000671 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.