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Vulnerabilities
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CVE-2025-11966

Updated on 22 Oct 2025

Severity

6.4 Medium severity

Details

CVSS score
6.4
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], when “directory listing” is enabled, file and directory names are inserted into generated HTML without proper escaping in the href, title, and link attributes. An attacker who can create or rename files or directories within a served path can craft filenames containing malicious script or HTML content, leading to stored cross-site scripting (XSS) that executes in the context of users viewing the affected directory listing.

Details

Affected product:
vert.x , wildfly
Affected packages:
vertx-core @ 4.3.4 (+228 more)
In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], when “directory listing” is enabled, file and directory names are inserted into generated HTML without proper escaping in the href, title, and link attributes. An attacker who can create or rename files or directories within a served path can craft filenames containing malicious script or HTML content, leading to stored cross-site scripting (XSS) that executes in the context of users viewing the affected directory listing.