CVE-2022-23518 MEDIUM

CVE-2022-23518: Improper neutralization of data URIs allows XSS in rails-html-sanitizer

Vendor Rails

Product rails-html-sanitizer

Weakness CWE-79 · XSS

Published December 14, 2022

Last update November 3, 2025

View on NVD All CVEs

CVSS base score

6.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

What the vulnerability does

Description

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0. This issue is patched in version 1.4.4.

Key dates

Disclosure timeline

December 14, 2022 CVE published

November 3, 2025 Record updated