What is CVE-2024-8673?

CVE-2024-8673 is a critical-severity vulnerability in Urbanbase Z-Downloads, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 9.1/10. Published 2025-05-15.

How severe is CVE-2024-8673?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Urbanbase Z-Downloads

CVE-2024-8673

The Z-Downloads WordPress plugin before 1.11.7 does not properly validate uploaded files allowing for the uploading of SVGs containing malicious JavaScript.

Published 2025-05-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.018 (77.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Urbanbase Z-Downloads
Z-Downloads — versions 0

References

wpscan.com/vulnerability/fed2cd26-7ccb-419d-b589-978410953bf4/ (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2024-8673?: CVE-2024-8673 is a critical-severity vulnerability in Urbanbase Z-Downloads, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 9.1/10. Published 2025-05-15.
How severe is CVE-2024-8673?: Critical severity. CVSS v3 base score is 9.1 out of 10.