What is CVE-2023-3982?

CVE-2023-3982 is a medium-severity vulnerability in Omeka, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-07-27.

How severe is CVE-2023-3982?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Omeka

CVE-2023-3982

Cross-site Scripting (XSS) - Stored in GitHub repository omeka/omeka-s prior to 4.0.2.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-07-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.7% 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

Omeka
Omeka Omeka/omeka-S — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/e5e889ee-5947-4c2a-a72e-9c90e2e2a845 (Exploit, Patch, Third Party Advisory)
github.com/omeka/omeka-s/commit/27ff6575c88d970ce95e1d4096553a927e2003b9 (Patch)

Frequently asked questions

What is CVE-2023-3982?: CVE-2023-3982 is a medium-severity vulnerability in Omeka, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-07-27.
How severe is CVE-2023-3982?: Medium severity. CVSS v3 base score is 4.8 out of 10.