CVE-2024-8673 Z-Downloads < 1.11.7 - Admin+ Stored XSS via SVG Upload

Q: What is CVE-2024-8673?

CVE-2024-8673 is a critical cross-site scripting vulnerability in Unknown Z-Downloads, published on 15 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Q: Is CVE-2024-8673 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8673 exists.

Q: How do I fix CVE-2024-8673?

No fix has been published for CVE-2024-8673 yet. Limit exposure of the affected software until one is available.

Critical 9.1 Published 15 May 2025 Updated 20 May 2025

Attackers can upload malicious SVG files to execute JavaScript in admin sessions, potentially leading to account takeover.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-8673?

CVE-2024-8673 is a critical cross-site scripting vulnerability in Unknown Z-Downloads, published on 15 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Which versions are affected by CVE-2024-8673?

It affects 1 product.

Products include Urbanbase Z-Downloads.

How do I fix CVE-2024-8673?

No fix has been published for CVE-2024-8673 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-8673 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8673 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-m87q-2m67-hxxh.