What is CVE-2023-0470?

CVE-2023-0470 is a medium-severity vulnerability in Modoboa, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-01-26.

How severe is CVE-2023-0470?

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

XSS in Modoboa

CVE-2023-0470

Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-01-26 · 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 (47.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.5% 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

Modoboa
Modoboa Modoboa/modoboa — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/baae3180-b63b-4880-b2af-1a3f30056c2b (Exploit, Patch, Third Party Advisory)
github.com/modoboa/modoboa/commit/354ab6884019009249097a7f3a1881d81ecd2fd2 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0470?: CVE-2023-0470 is a medium-severity vulnerability in Modoboa, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-01-26.
How severe is CVE-2023-0470?: Medium severity. CVSS v3 base score is 5.4 out of 10.