CVE-2026-72576 Bludit - Stored Cross-Site Scripting via Malicious SVG Logo Upload
An authenticated Author can inject arbitrary JavaScript via a malicious SVG logo, leading to stored XSS affecting other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-72576?
CVE-2026-72576 is a medium-severity cross-site scripting vulnerability in Bludit, published on 10 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A stored cross-site scripting (XSS) vulnerability in Bludit 4.0.0-beta allows a low-privileged authenticated user (Author role) to inject arbitrary JavaScript by uploading a crafted SVG file as the site logo. A stored script tag in the SVG executes in the browser of any user who loads the logo.
Weakness: CWE-79
Which versions are affected by CVE-2026-72576?
How do I fix CVE-2026-72576?
No fix has been published for CVE-2026-72576 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-2026-72576 being exploited?
There is no known exploitation of CVE-2026-72576 in the wild and no public exploit code.
Sources
Also known as GHSA-jvgc-4pc6-8x5f.