📄 WordPress JSON API User 3.9.2 Unauthenticated Privilege Escalation

WordPress JSON API User plugin version 3.9.2 contains an unauthenticated privilege escalation to administrator vulnerability through Mass-Assignment. A remote attacker can elevate privileges to the administrator role and take control of the affected site. This proof of concept exploit demonstrate...

GHSA-PJHX-3C3W-9V23 API Platform Core vulnerable to cross-user attribute leak in JSON:API and HAL item normalizers due to missing isCacheKeySafe gate

Impact ApiPropertysecurity: ... is evaluated per request to decide whether a property is exposed. The componentsCache arrays in ApiPlatform\JsonApi\Serializer\ItemNormalizer and ApiPlatform\Hal\Serializer\ItemNormalizer are keyed on $context'cachekey', which is set unconditionally before delegati...

CVE-2026-9626

The JSON API User plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'content' parameter of the postcomment API endpoint in versions up to, and including, 4.1.0 This is due to insufficient input sanitization in the postcomment function, which passes the attacker-controlled...

CVE-2026-9626

The CVE-2026-9626 entry concerns the WordPress JSON API User plugin (

CVE-2026-9626

The JSON API User plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'content' parameter of the postcomment API endpoint in versions up to, and including, 4.1.0 This is due to insufficient input sanitization in the postcomment function, which passes the attacker-controlled...

CVE-2026-49858

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. In versions from 2.6.0 prior to 4.1.29, 4.2.26, and 4.3.12, a missing isCacheKeySafe gate in the JSON:API and HAL item normalizers causes a cross-user attribute leak. ApiPropertysecurity: ... is evaluated per request...

CVE-2026-49858 API Platform Core: Cross-user attribute leak in JSON:API and HAL item normalizers due to missing isCacheKeySafe gate

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. In versions from 2.6.0 prior to 4.1.29, 4.2.26, and 4.3.12, a missing isCacheKeySafe gate in the JSON:API and HAL item normalizers causes a cross-user attribute leak. ApiPropertysecurity: ... is evaluated per request...

CVE-2026-49858

API Platform Core contains a cross-user attribute leak in JSON:API and HAL item normalizers due to a missing isCacheKeySafe gate. Affected versions: 2.6.0 up to 4.1.28, 4.2.25, and 4.3.11 (i.e., before 4.1.29, 4.2.26, 4.3.12). Root cause: componentsCache arrays are keyed on $context['cache_key'] ...

CVE-2026-57954 Elide 7.1.17 - Permission Bypass in Sort Expression Validation

Elide through 7.1.17 fails to enforce @ReadPermission on client-supplied sort expressions in SortingImpl.getValidSortingRules, allowing attackers to sort collections by forbidden fields. Attackers can infer hidden field values through row ordering analysis, leaking relative field ordering across...

CVE-2026-57954

Elide through 7.1.17 fails to enforce @ReadPermission on client-supplied sort expressions in SortingImpl.getValidSortingRules, allowing attackers to sort collections by forbidden fields. Attackers can infer hidden field values through row ordering analysis, leaking relative field ordering across...

PT-2026-53672

Name of the Vulnerable Software and Affected Versions Elide versions prior to 7.1.18 Description Insufficient enforcement of @ReadPermission within the getValidSortingRules function of SortingImpl allows attackers to use forbidden fields in client-supplied sort expressions. By analyzing the...

DRUPAL-CORE-2026-005

SA-CORE-2019-003 added protection for fields that store serialized data to disallow direct writes via web services. The above fix did not cover all potential attack vectors for JSON:API. An attacker with appropriate JSON:API write permission could potentially inject a malicious payload in certain...

DRUPAL-CONTRIB-2026-048

The Formatter Field module provides a mechanism for specifying a formatter and formatter settings to be used for displaying a field, on a per-entity basis. formatterfield stores some data as PHP-serialized strings. In some situations, malicious data can be written directly to the field. This can...

Drupal core - Critical - PHP object injection - SA-CORE-2026-005

SA-CORE-2019-003 added protection for fields that store serialized data to disallow direct writes via web services. The above fix did not cover all potential attack vectors for JSON:API. An attacker with appropriate JSON:API write permission could potentially inject a malicious payload in certain...

Formatter Field - Critical - PHP object injection - SA-CONTRIB-2026-048

The Formatter Field module provides a mechanism for specifying a formatter and formatter settings to be used for displaying a field, on a per-entity basis. formatterfield stores some data as PHP-serialized strings. In some situations, malicious data can be written directly to the field. This can...

Plotly.js Graphing - Critical - PHP object injection - SA-CONTRIB-2026-050

The Plotly.js Graphing module provides a fully customizable implementation of the open source Plotly.js graphing library. The module stores some data as PHP-serialized strings. In some situations, malicious data can be written directly to the field. This can lead to an object injection...

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

The JSON:API and REST modules allow you to upload image files to image fields. The validation rules check the file extension of the uploaded file but not the file MIME type. This may allow a malicious user to upload a file that is not an image. Certain web-server configurations may serve the...

PT-2026-50582

Name of the Vulnerable Software and Affected Versions Drupal Formatter Field versions 0.0.0 through 2.0.0 Description Improperly controlled modification of dynamically-determined object attributes in the Formatter Field module allows for Object Injection. This occurs because the module stores dat...

PT-2026-50612

Name of the Vulnerable Software and Affected Versions Drupal Plotly.js Graphing versions 0.0.0 through 3.0.2 Description Improperly controlled modification of dynamically-determined object attributes allows object injection. The module stores certain data as PHP-serialized strings, and if malicio...

PT-2026-50606

Name of the Vulnerable Software and Affected Versions Drupal core affected versions not specified Description An attacker with appropriate JSON:API write permissions could potentially inject a malicious payload in certain rare circumstances, leading to PHP Object Injection. PHP Object Injection...