CVE-2026-72570 cube-root directory-serve - Stored Cross-Site Scripting via Malicious Filename
Attackers can inject arbitrary JavaScript into the web interface by uploading files with crafted filenames, potentially compromising user sessions.
- 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-2026-72570?
CVE-2026-72570 is a medium-severity cross-site scripting vulnerability in cube-root directory-serve, 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 cube-root/directory-serve through 1.3.7 allows an attacker to inject arbitrary JavaScript into the web interface by uploading a file with a crafted filename containing HTML attribute-breaking characters.
Weakness: CWE-79
Which versions are affected by CVE-2026-72570?
How do I fix CVE-2026-72570?
No fix has been published for CVE-2026-72570 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-2026-72570 being exploited?
There is no known exploitation of CVE-2026-72570 in the wild and no public exploit code.
Sources
Also known as GHSA-g77q-hxjf-7mcc.