Cross-site scripting in eLabFTW - #VU137347
Published: July 12, 2026
Vulnerability identifier: #VU137347
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary script in a victim's browser.
The vulnerability exists due to cross-site scripting in ELN HTML export when rendering unescaped entity fields. A remote user can inject HTML or JavaScript into an entity title or other entity fields to execute arbitrary script in a victim's browser.
User interaction is required to open the exported HTML document, and the attacker-controlled markup is also bundled as ro-crate-preview.html inside .eln archives.
Affected software
eLabFTW
Remediation
Install security update from vendor's website.
eLabFTW - update to 5.6.0