Drupal.Org Drupal Core vulnerabilities

CVE-2017-6920 [CRITICAL] CWE-19 CVE-2017-6920: Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PEC Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.

CVE-2017-6930 [HIGH] CVE-2017-6930: In Drupal versions 8.4.x versions before 8.4.5 when using node access controls with a multilingual s In Drupal versions 8.4.x versions before 8.4.5 when using node access controls with a multilingual site, Drupal marks the untranslated version of a node as the default fallback for access queries. This fallback is used for languages that do not yet have a translated version of the created node. This can result in an access bypass vulnerability. This issue is mi

CVE-2017-6926 [HIGH] CWE-200 CVE-2017-6926: In Drupal versions 8.4.x versions before 8.4.5 users with permission to post comments are able to vi In Drupal versions 8.4.x versions before 8.4.5 users with permission to post comments are able to view content and comments they do not have access to, and are also able to add comments to this content. This vulnerability is mitigated by the fact that the comment system must be enabled and the attacker must have permission to post comments.

CVE-2017-6928 [MEDIUM] CWE-732 CVE-2017-6928: Drupal core 7.x versions before 7.57 when using Drupal's private file system, Drupal will check to m Drupal core 7.x versions before 7.57 when using Drupal's private file system, Drupal will check to make sure a user has access to a file before allowing the user to view or download it. This check fails under certain conditions in which one module is trying to grant access to the file and another is trying to deny it, leading to an access bypass vulne

CVE-2017-6932 [MEDIUM] CWE-601 CVE-2017-6932: Drupal core 7.x versions before 7.57 has an external link injection vulnerability when the language Drupal core 7.x versions before 7.57 has an external link injection vulnerability when the language switcher block is used. A similar vulnerability exists in various custom and contributed modules. This vulnerability could allow an attacker to trick users into unwillingly navigating to an external site.

CVE-2017-6929 [MEDIUM] CWE-79 CVE-2017-6929: A jQuery cross site scripting vulnerability is present when making Ajax requests to untrusted domain A jQuery cross site scripting vulnerability is present when making Ajax requests to untrusted domains. This vulnerability is mitigated by the fact that it requires contributed or custom modules in order to exploit. For Drupal 8, this vulnerability was already fixed in Drupal 8.4.0 in the Drupal core upgrade to jQuery 3. For Drupal 7, it is fixed in the

CVE-2017-6927 [MEDIUM] CWE-79 CVE-2017-6927: Drupal 8.4.x versions before 8.4.5 and Drupal 7.x versions before 7.57 has a Drupal.checkPlain() Jav Drupal 8.4.x versions before 8.4.5 and Drupal 7.x versions before 7.57 has a Drupal.checkPlain() JavaScript function which is used to escape potentially dangerous text before outputting it to HTML (as JavaScript output does not typically go through Twig autoescaping). This function does not correctly handle all methods of injecting malicious HTML, lead

CVE-2017-6931 [MEDIUM] CWE-434 CVE-2017-6931: In Drupal versions 8.4.x versions before 8.4.5 the Settings Tray module has a vulnerability that all In Drupal versions 8.4.x versions before 8.4.5 the Settings Tray module has a vulnerability that allows users to update certain data that they do not have the permissions for. If you have implemented a Settings Tray form in contrib or a custom module, the correct access checks should be added. This release fixes the only two implementations in core, b