What is CVE-2023-3190?

CVE-2023-3190 is a medium-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Improper Encoding or Escaping of Output. CVSS score: 4.6/10. Published 2023-06-10.

How severe is CVE-2023-3190?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Nilsteampassnet Nilsteampassnet/teampass

CVE-2023-3190

Improper Encoding or Escaping of Output in GitHub repository nilsteampassnet/teampass prior to 3.0.9.

Published 2023-06-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Nilsteampassnet Nilsteampassnet/teampass — versions unspecified
Teampass

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

github.com/nilsteampassnet/teampass/commit/241dbd4159a5d63b55af426464d30dbb5392… (Patch)
huntr.dev/bounties/5562c4c4-0475-448f-a451-7c4666bc7180 (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2023-3190?: CVE-2023-3190 is a medium-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Improper Encoding or Escaping of Output. CVSS score: 4.6/10. Published 2023-06-10.
How severe is CVE-2023-3190?: Medium severity. CVSS v3 base score is 4.6 out of 10.