XSS in Elabftw
CVE-2025-62793
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (15.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N.
Affected products
- Elabftw — versions < 5.3.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-62793?
- CVE-2025-62793 is a medium-severity vulnerability in Elabftw, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2025-10-27.
- How severe is CVE-2025-62793?
- Medium severity. CVSS v3 base score is 6.8 out of 10.