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CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0

In certain scenarios, Drupal's JSON:API module will output error backtraces. With some configurations, this may cause sensitive information to be cached and made available to anonymous users, leading to privilege escalation. This vulnerability only affects sites with the JSON:API module enabled, and can be mitigated by uninstalling JSON:API. The core REST and contributed GraphQL modules are not affected. En ciertos escenarios, el módulo JSON:API de Drupal generará seguimientos de errores. Con algunas configuraciones, esto puede hacer que la información confidencial se almacene en caché y se ponga a disposición de usuarios anónimos, lo que lleva a una escalada de privilegios. Esta vulnerabilidad solo afecta a los sitios con el módulo JSON:API habilitado y se puede mitigar desinstalando JSON:API. • https://www.drupal.org/sa-core-2023-006 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 0

Drupal core's form API has a vulnerability where certain contributed or custom modules' forms may be vulnerable to improper input validation. This could allow an attacker to inject disallowed values or overwrite data. Affected forms are uncommon, but in certain cases an attacker could alter critical or sensitive data. • https://www.drupal.org/sa-core-2022-008 • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0

In some situations, the Image module does not correctly check access to image files not stored in the standard public files directory when generating derivative images using the image styles system. Access to a non-public file is checked only if it is stored in the "private" file system. However, some contributed modules provide additional file systems, or schemes, which may lead to this vulnerability. This vulnerability is mitigated by the fact that it only applies when the site sets (Drupal 9) $config['image.settings']['allow_insecure_derivatives'] or (Drupal 7) $conf['image_allow_insecure_derivatives'] to TRUE. The recommended and default setting is FALSE, and Drupal core does not provide a way to change that in the admin UI. • https://www.drupal.org/sa-core-2022-012 •

CVSS: 7.2EPSS: 0%CPEs: 2EXPL: 0

Drupal core sanitizes filenames with dangerous extensions upon upload (reference: SA-CORE-2020-012) and strips leading and trailing dots from filenames to prevent uploading server configuration files (reference: SA-CORE-2019-010). However, the protections for these two vulnerabilities previously did not work correctly together. As a result, if the site were configured to allow the upload of files with an htaccess extension, these files' filenames would not be properly sanitized. This could allow bypassing the protections provided by Drupal core's default .htaccess files and possible remote code execution on Apache web servers. This issue is mitigated by the fact that it requires a field administrator to explicitly configure a file field to allow htaccess as an extension (a restricted permission), or a contributed module or custom code that overrides allowed file uploads. • https://www.drupal.org/sa-core-2022-014 • CWE-434: Unrestricted Upload of File with Dangerous Type •

CVSS: 6.5EPSS: 0%CPEs: 2EXPL: 0

Under certain circumstances, the Drupal core form API evaluates form element access incorrectly. This may lead to a user being able to alter data they should not have access to. No forms provided by Drupal core are known to be vulnerable. However, forms added through contributed or custom modules or themes may be affected. • https://www.drupal.org/sa-core-2022-013 •