What is CVE-2023-2516?

CVE-2023-2516 is a medium-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-05-05.

How severe is CVE-2023-2516?

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

Is CVE-2023-2516 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Nilsteampassnet Nilsteampassnet/teampass

CVE-2023-2516

Cross-site Scripting (XSS) - Stored in GitHub repository nilsteampassnet/teampass prior to 3.0.7.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-05-05 · 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 (47.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% 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

Public proof-of-concept exploits

References

huntr.dev/bounties/19470f0b-7094-4339-8d4a-4b5570b54716 (Exploit, Third Party Advisory)
github.com/nilsteampassnet/teampass/commit/39b774cba118ca5383b0a51a71b1e7dea276… (Patch)

Frequently asked questions

What is CVE-2023-2516?: CVE-2023-2516 is a medium-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-05-05.
How severe is CVE-2023-2516?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-2516 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.