The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.

computer vulnerability CVE-2018-3780

NextCloud: Cross Site Scripting via Autocomplete Field

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting via Autocomplete Field of NextCloud, in order to run JavaScript code in the context of the web site.
Impacted products: openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity: 2/4.
Creation date: 27/08/2018.
Identifiers: CVE-2018-3780, openSUSE-SU-2018:2510-1, openSUSE-SU-2018:2521-1, openSUSE-SU-2018:2521-2, VIGILANCE-VUL-27075.

Description of the vulnerability

The NextCloud product offers a web service.

However, it does not filter received data via Autocomplete Field before inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting via Autocomplete Field of NextCloud, in order to run JavaScript code in the context of the web site.
Complete Vigil@nce bulletin.... (Free trial)

Computer vulnerabilities tracking service

Vigil@nce provides a computer vulnerability workaround. The Vigil@nce vulnerability database contains several thousand vulnerabilities. Each administrator can customize the list of products for which he wants to receive vulnerability alerts. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.