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Fri, 24 Jul 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOM_ELEMENT_HANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into innerHTML sinks, creating second-order XSS gadgets. | |
| Title | DOMPurify before 3.4.12 Hook Bypass via CUSTOM_ELEMENT_HANDLING | |
| First Time appeared |
Cure53
Cure53 dompurify |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:cure53:dompurify:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Cure53
Cure53 dompurify |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-07-24T14:14:08.456Z
Reserved: 2026-07-23T19:22:30.643Z
Link: CVE-2026-66010
Updated: 2026-07-24T14:13:39.710Z
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OpenCVE Enrichment
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