What is CVE-2023-3565?

CVE-2023-3565 is a medium-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-07-10.

How severe is CVE-2023-3565?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Nilsteampassnet Nilsteampassnet/teampass

CVE-2023-3565

Cross-site Scripting (XSS) - Generic in GitHub repository nilsteampassnet/teampass prior to 3.0.10.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Nilsteampassnet Nilsteampassnet/teampass — versions unspecified
Teampass

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/fcf46e1f-2ab6-4057-9d25-cf493ab09530 (Exploit, Patch, Third Party Advisory)
github.com/nilsteampassnet/teampass/commit/820bb49a362a566c9038e4a3048b26d654ba… (Patch)

Frequently asked questions

What is CVE-2023-3565?: CVE-2023-3565 is a medium-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-07-10.
How severe is CVE-2023-3565?: Medium severity. CVSS v3 base score is 5.4 out of 10.