CVE-2026-58588: Drupal Canvas - Moderately critical - Improper validation - SA-CONTRIB-2026-066

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)0.3% · higher than 17% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

DR

Drupal · Drupal

0.0.0 before 1.4.2; 1.5.0 before 1.5.2; 1.6.0 before 1.6.1; 1.7.0 before 1.7.1 · source: vendor

DC

Drupal Canvas · Drupal Canvas Project

before 1.4.2; 1.5.0 before 1.5.2; 1.6.0 before 1.6.1; 1.7.0 before 1.7.1 · source: NVD