What is CVE-2023-33518?

CVE-2023-33518 is a medium-severity vulnerability in Emoncms, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.3/10. Published 2023-06-05.

How severe is CVE-2023-33518?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Emoncms

CVE-2023-33518

emoncms v11 and later was discovered to contain an information disclosure vulnerability which allows attackers to obtain the web directory path and other information leaked by the server via a crafted web request.

Published 2023-06-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.2% 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

Emoncms — versions 11.0

Weakness classification (CWE)

References

github.com/emoncms/emoncms/issues/1856 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2023-33518?: CVE-2023-33518 is a medium-severity vulnerability in Emoncms, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.3/10. Published 2023-06-05.
How severe is CVE-2023-33518?: Medium severity. CVSS v3 base score is 5.3 out of 10.