The Canvas AI submodule allows you to upload image files via a custom API to use within the AI web chat. These file uploads are insufficiently validated before being written to Drupal's temporary directory. In some cases, this may lead to cross-site scripting (XSS).
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-58587US | — | — | ||
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal Canvas allows Cross-Site Scripting (XSS). This issue affects Dru… | ||||
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references
External citations — patches, advisories, analysis.
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