CVE-2025-62793 eLabFTW HTML / CSS Injection via Malicious SVG Upload Leads to Credential Theft / Clickjacking
Attackers can upload malicious SVG files to execute scripts, leading to session hijacking and data theft in eLabFTW.
- 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-2025-62793?
CVE-2025-62793 is a medium-severity cross-site scripting vulnerability in elabftw, published on 27 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
eLabFTW is an open source electronic lab notebook for research labs. The application served uploaded SVG files inline. Because SVG supports active content, an attacker could upload a crafted SVG that executes script when viewed, resulting in stored XSS under the application origin. A victim who opens the SVG URL or any page embedding it could have their session hijacked, data exfiltrated, or actions performed on their behalf. This vulnerability is fixed n 5.3.0.
Weakness: CWE-79
Which versions are affected by CVE-2025-62793?
How do I fix CVE-2025-62793?
No fix has been published for CVE-2025-62793 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-2025-62793 being exploited?
There is no known exploitation of CVE-2025-62793 in the wild and no public exploit code.
Sources
Also known as GHSA-rq98-8jh9-684f.