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CVE-2018-1000671

32
FAUCET Score

CVE-2018-1000671 describes an Open Redirect and reflected Cross-Site Scripting (XSS) vulnerability in Sympa versions 6.2.16 and later, specifically within the "referer" parameter of the wwsympa.fcgi login action. This medium-severity vulnerability (CVSS 6.1) requires user interaction, as the victim must click a malicious link, and could lead to information disclosure or arbitrary script execution. While there is no evidence of active exploitation, a Nuclei template exists for detecting the XSS component, and there is no known fix or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.2.16CPE matchmatch criteria
cpe:2.3:a:sympa:sympa:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.98%
Probability of exploitation in next 30 days
EPSS Percentile
89.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Nuclei: CVE-2018-1000671 · Jul 19, 2022
This CVE's current EPSS score of 0.0398 is in the 95th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / sympa-community/sympa/issues/268
Issue TrackingThird Party Advisory
lists.debian.org / debian-lts-announce/2018/09/msg00023.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/11/msg00015.html
usn.ubuntu.com / 4442-1