Reflected XSS in Drupal Canvas

Publication date: 2026-07-10

Last updated on: 2026-07-10

Assigner: Drupal.org

Description

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal Canvas allows Cross-Site Scripting (XSS). This issue affects Drupal Canvas versions: from 0.0.0 to 1.4.2, from 1.5.0 to 1.5.2, from 1.6.0 to 1.6.1, from 1.7.0 to 1.7.1.

CVSS Scores

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Meta Information

Published

2026-07-10

Last Modified

2026-07-10

Generated

2026-07-11

AI Q&A

2026-07-11

EPSS Evaluated

N/A

NVD

CVE-2026-58588

EUVD

EUVD-2026-43070

Affected Vendors & Products

Vendor	Product	Version / Range
drupal	canvas	From 0.0.0 (inc) to 1.4.2 (inc)
drupal	canvas	From 1.5.0 (inc) to 1.5.2 (inc)
drupal	canvas	From 1.6.0 (inc) to 1.6.1 (inc)
drupal	canvas	From 1.7.0 (inc) to 1.7.1 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a Cross-Site Scripting (XSS) issue in the Drupal Canvas module. It occurs due to improper neutralization of input during web page generation, which means that malicious scripts can be injected into web pages generated by the affected versions of Drupal Canvas.

Impact Analysis

The vulnerability allows attackers to inject malicious scripts into web pages viewed by other users. This can lead to unauthorized actions such as stealing user credentials, session hijacking, or performing actions on behalf of the user without their consent.

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