What is CVE-2019-11504?

CVE-2019-11504 is a medium-severity vulnerability in Zotonic, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-04-24.

How severe is CVE-2019-11504?

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

XSS in Zotonic

CVE-2019-11504

Zotonic before version 0.47 has mod_admin XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-04-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.025 (84.5th percentile), scored 2026-10-25.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Zotonic

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

docs.zotonic.com/en/latest/developer-guide/releasenotes/rel_0.47.0.html (Release Notes, Vendor Advisory)
www.exploit-db.com/exploits/46788/ (Exploit, VDB Entry, Third Party Advisory, exploit)
packetstormsecurity.com/files/152717/Zotonic-0.46-mod_admin-Cross-Site-Scriptin… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2019-11504?: CVE-2019-11504 is a medium-severity vulnerability in Zotonic, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-04-24.
How severe is CVE-2019-11504?: Medium severity. CVSS v3 base score is 4.8 out of 10.