Описание
DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions prior to 3.4.0 have an inconsistency between FORBID_TAGS and FORBID_ATTR handling when function-based ADD_TAGS is used. Commit c361baa added an early exit for FORBID_ATTR at line 1214. The same fix was not applied to FORBID_TAGS. At line 1118-1123, when EXTRA_ELEMENT_HANDLING.tagCheck returns true, the short-circuit evaluation skips the FORBID_TAGS check entirely. This allows forbidden elements to survive sanitization with their attributes intact. Version 3.4.0 patches the issue.
A flaw was found in DOMPurify, a DOM-only cross-site scripting sanitizer. A remote attacker could exploit an inconsistency in how forbidden tags and attributes are handled when function-based tag additions are used. This allows malicious HTML, MathML, or SVG elements to bypass sanitization and execute arbitrary code in the user's browser, leading to Cross-Site Scripting (XSS).
Меры по смягчению последствий
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Cryostat 4 | cryostat-openshift-console-plugin-npm | Affected | ||
| Migration Toolkit for Virtualization | migration-toolkit-virtualization/mtv-console-plugin-rhel9 | Not affected | ||
| Migration Toolkit for Virtualization | mtv-candidate/mtv-console-plugin-rhel9 | Will not fix | ||
| Multicluster Engine for Kubernetes | multicluster-engine/console-mce-rhel9 | Not affected | ||
| Node HealthCheck Operator | workload-availability/node-healthcheck-must-gather-rhel9 | Not affected | ||
| Node HealthCheck Operator | workload-availability/node-healthcheck-operator-bundle | Not affected | ||
| Node HealthCheck Operator | workload-availability/node-healthcheck-rhel9-operator | Not affected | ||
| OpenShift Lightspeed | openshift-lightspeed/lightspeed-console-plugin-419-rhel9 | Not affected | ||
| OpenShift Lightspeed | openshift-lightspeed/lightspeed-console-plugin-rhel9 | Not affected | ||
| OpenShift Service Mesh 3 | openshift-service-mesh/kiali-ossmc-rhel9 | Not affected |
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Дополнительная информация
Статус:
EPSS
8.1 High
CVSS3
Связанные уязвимости
DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions prior to 3.4.0 have an inconsistency between FORBID_TAGS and FORBID_ATTR handling when function-based ADD_TAGS is used. Commit c361baa added an early exit for FORBID_ATTR at line 1214. The same fix was not applied to FORBID_TAGS. At line 1118-1123, when EXTRA_ELEMENT_HANDLING.tagCheck returns true, the short-circuit evaluation skips the FORBID_TAGS check entirely. This allows forbidden elements to survive sanitization with their attributes intact. Version 3.4.0 patches the issue.
DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions prior to 3.4.0 have an inconsistency between FORBID_TAGS and FORBID_ATTR handling when function-based ADD_TAGS is used. Commit c361baa added an early exit for FORBID_ATTR at line 1214. The same fix was not applied to FORBID_TAGS. At line 1118-1123, when EXTRA_ELEMENT_HANDLING.tagCheck returns true, the short-circuit evaluation skips the FORBID_TAGS check entirely. This allows forbidden elements to survive sanitization with their attributes intact. Version 3.4.0 patches the issue.
DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathM ...
DOMPurify: FORBID_TAGS bypassed by function-based ADD_TAGS predicate (asymmetry with FORBID_ATTR fix)
Уязвимость функции FORBID_TAGS() JavaScript-библиотеки для безопасной очистки и защиты HTML-кода DOMPurify, позволяющая нарушителю выполнить произвольный код
EPSS
8.1 High
CVSS3