CVE-2026-58587: CWE-79 Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") in Drupal Drupal Canvas
CVE-2026-58587 is a Cross-Site Scripting (XSS) vulnerability in the Drupal Canvas product. It arises from improper neutralization of input during web page generation, allowing injection of malicious scripts. The vulnerability affects multiple specific versions of Drupal Canvas, including 0.0.0, 1.5.0, 1.6.0, and 1.7.0. No official patch or remediation guidance is currently provided by the vendor. There is no evidence of known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CWE-79) in Drupal Canvas involves improper input sanitization during web page generation, leading to Cross-Site Scripting (XSS). Affected versions explicitly include 0.0.0, 1.5.0, 1.6.0, and 1.7.0, as well as ranges from 0.0.0 to 1.4.2, 1.5.0 to 1.5.2, 1.6.0 to 1.6.1, and 1.7.0 to 1.7.1. The vendor has not published a patch or official remediation level. The vulnerability could allow attackers to execute arbitrary scripts in the context of the affected web application.
Potential Impact
Successful exploitation of this XSS vulnerability could enable attackers to execute arbitrary scripts in users' browsers, potentially leading to session hijacking, defacement, or redirection to malicious sites. However, no known exploits have been reported in the wild. The impact is limited to affected Drupal Canvas versions as specified.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider applying input validation and output encoding workarounds if feasible. Monitor official Drupal channels for updates on patches or mitigations.
CVE-2026-58587: CWE-79 Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") in Drupal Drupal Canvas
Description
CVE-2026-58587 is a Cross-Site Scripting (XSS) vulnerability in the Drupal Canvas product. It arises from improper neutralization of input during web page generation, allowing injection of malicious scripts. The vulnerability affects multiple specific versions of Drupal Canvas, including 0.0.0, 1.5.0, 1.6.0, and 1.7.0. No official patch or remediation guidance is currently provided by the vendor. There is no evidence of known exploits in the wild at this time.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-79) in Drupal Canvas involves improper input sanitization during web page generation, leading to Cross-Site Scripting (XSS). Affected versions explicitly include 0.0.0, 1.5.0, 1.6.0, and 1.7.0, as well as ranges from 0.0.0 to 1.4.2, 1.5.0 to 1.5.2, 1.6.0 to 1.6.1, and 1.7.0 to 1.7.1. The vendor has not published a patch or official remediation level. The vulnerability could allow attackers to execute arbitrary scripts in the context of the affected web application.
Potential Impact
Successful exploitation of this XSS vulnerability could enable attackers to execute arbitrary scripts in users' browsers, potentially leading to session hijacking, defacement, or redirection to malicious sites. However, no known exploits have been reported in the wild. The impact is limited to affected Drupal Canvas versions as specified.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider applying input validation and output encoding workarounds if feasible. Monitor official Drupal channels for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- drupal
- Date Reserved
- 2026-07-01T17:08:05.252Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a516c2f68715ace43438297
Added to database: 07/10/2026, 22:03:27 UTC
Last enriched: 07/10/2026, 22:18:32 UTC
Last updated: 07/10/2026, 22:46:03 UTC
Views: 4
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