CVE-2026-58587

mediumpriority · track · 0EPSS 0.003 · 17 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.26% (17th) EPSS

CVSS 6.1 · medium

Is it mine?

18 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-28

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

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondaryexploitability 2.8 · impact 2.7

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79US

affected products (18)

Products and version ranges known to be affected.

Open Source Drupal Canvas <1.4.2all versionscert_bundDE
Open Source Drupal Canvas <1.5.2all versionscert_bundDE
Open Source Drupal Canvas <1.7.1all versionscert_bundDE
Open Source Drupal≤ Canvas <1.4.2cert_bundDE
Open Source Drupal≤ Canvas <1.5.2cert_bundDE
Open Source Drupal≤ Canvas <1.7.1cert_bundDE
Drupal Drupal Canvas0.0.0 → 1.4.2enisa_euvdEU
Drupal Drupal Canvas1.5.0 → 1.5.2enisa_euvdEU
Drupal Drupal Canvas1.6.0 → 1.6.1enisa_euvdEU
Drupal Drupal Canvas1.7.0 → 1.7.1enisa_euvdEU
drupal canvas project drupal canvas< 1.4.2nvdUScpe:2.3:a:drupal_canvas_project:drupal_canvas:*:*:*:*:*:*:*:*
drupal canvas project drupal canvas1.5.0 → 1.5.2nvdUScpe:2.3:a:drupal_canvas_project:drupal_canvas:*:*:*:*:*:*:*:*
drupal canvas project drupal canvas1.6.0 → 1.6.1nvdUScpe:2.3:a:drupal_canvas_project:drupal_canvas:*:*:*:*:*:*:*:*
drupal canvas project drupal canvas1.7.0 → 1.7.1nvdUScpe:2.3:a:drupal_canvas_project:drupal_canvas:*:*:*:*:*:*:*:*
Packagist:https://packages.drupal.org/8 drupal/canvas< 1.4.2osvUSpkg:composer/drupal/canvas?repository_url=https:%2F%2Fpackages.drupal.org%2F8
Packagist:https://packages.drupal.org/8 drupal/canvas1.5.0 → 1.5.2osvUSpkg:composer/drupal/canvas?repository_url=https:%2F%2Fpackages.drupal.org%2F8
Packagist:https://packages.drupal.org/8 drupal/canvas1.6.0 → 1.6.1osvUSpkg:composer/drupal/canvas?repository_url=https:%2F%2Fpackages.drupal.org%2F8
Packagist:https://packages.drupal.org/8 drupal/canvas1.7.0 → 1.7.1osvUSpkg:composer/drupal/canvas?repository_url=https:%2F%2Fpackages.drupal.org%2F8

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2181Drupal Extensions: Mehrere SchwachstellenDeutsch2026-07-01csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Drupal ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, Sicherheitsmaßnahmen zu umgehen und Daten zu manipulieren.
DRUPAL-CONTRIB-2026-0652026-07-01vendor · osvUS
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).

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2026-07-10modified 2026-10-25

references (3)

External citations — patches, advisories, analysis.

scry

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