eLabFTW HTML / CSS Injection via Malicious SVG Upload Leads to Credential Theft / Clickjacking

published 2025-10-27 12 mo ago modified 2026-10-19 20 d ago also EUVD-2025-36380

cvss: 6.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

elabftw elabftw 5.3.0

github.com/elabftw/elabftw@09b95e3 commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 12 mo ago (2025-10-28)

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N

Affected products

elabftw elabftw

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

CVE List CVE-2025-62793
NVD CVE-2025-62793

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary