Drupal core - Moderately critical - Improper validation - SA-CORE-2026-009

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.

Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.

Drupal Canvas - Moderately critical - Improper validation - SA-CONTRIB-2026-065

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.

The Media oEmbed iframe route does not properly validate the iframe domain setting, which allows embeds to be displayed in the context of the primary domain. Under certain circumstances, this could lead to cross-site scripting, leaked cookies, or other vulnerabilities.

Regular expression Denial of Service in dialog plugin

CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.

Drupal core - Highly critical - SQL injection - SA-CORE-2026-004

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Drupal Drupal core allows SQL Injection. This issue affects Drupal core: from 8.9.0 before 10.4.10, from 10.5.0 before 10.5.10, from 10.6.0 before 10.6.9, from 11.0.0 before 11.1.10, from 11.2.0 before 11.2.12, from 11.3.0 before 11.3.10.

Drupal core - Critical - Cross-site scripting - SA-CORE-2026-001

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core: from 8.0.0 before 10.5.9, from 10.6.0 before 10.6.7, from 11.0.0 before 11.2.11, from 11.3.0 before 11.3.7.

Drupal core - Moderately critical - Gadget Chain - SA-CORE-2026-002

Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allows Object Injection. This issue affects Drupal core: from 8.0.0 before 10.5.9, from 10.6.0 before 10.6.7, from 11.0.0 before 11.2.11, from 11.3.0 before 11.3.7.

Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core: from 11.3.0 before 11.3.7.

Drupal 4.6.x before 4.6.10 and 4.7.x before 4.7.4 allows form submissions to be redirected, which allows remote attackers to obtain arbitrary form information via a crafted URL.

Cross-site request forgery (CSRF) vulnerability in Drupal 4.6.x before 4.6.10 and 4.7.x before 4.7.4 allows remote attackers to perform unauthorized actions as an arbitrary user via unspecified vectors.

Multiple SQL injection vulnerabilities in the Aggregation module 5.x before 5.x-4.4 for Drupal allow remote attackers to execute arbitrary SQL commands via unspecified vectors.

Multiple cross-site scripting (XSS) vulnerabilities in the XML parser in Drupal 4.6.x before 4.6.10 and 4.7.x before 4.7.4 allow remote attackers to inject arbitrary web script or HTML via a crafted RSS feed.

The Node Hierarchy module 5.x before 5.x-1.1 and 6.x before 6.x-1.0 for Drupal does not properly implement access checks, which allows remote attackers with "access content" permissions to bypass restrictions and modify the node hierarchy via unspecified attack vectors.

Multiple cross-site scripting (XSS) vulnerabilities in the Aggregation module 5.x before 5.x-4.4 for Drupal allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Multiple cross-site scripting (XSS) vulnerabilities in Drupal 6.x before 6.3 allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) free tagging taxonomy terms, which are not properly handled on node preview pages, and (2) unspecified OpenID values.

Cross-site scripting (XSS) vulnerability in the Ubercart 5.x before 5.x-1.0 rc3 module for Drupal allows remote authenticated users to inject arbitrary web script or HTML via node titles related to unspecified product features, a different vector than CVE-2008-1428.

Cross-site scripting (XSS) vulnerability in the insertion filter in the Flickr Drupal module 5.x before 5.x-1.3 and 6.x before 6.x-1.0-alpha allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Cross-site scripting (XSS) vulnerability in E-Publish 5.x before 5.x-1.1 and 6.x before 6.x-1.0 beta1, a Drupal module, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

The menu system in Drupal 6 before 6.2 has incorrect menu settings, which allows remote attackers to (1) edit the profile pages of arbitrary users, and obtain sensitive information from (2) tracker and (3) blog pages, related to a missing check for the "access content" permission; and (4) allows remote authenticated users, with administration page view access, to edit content types.