DOMPurify before 3.4.0 contains a logic error in the ADD_TAGS function where short-circuit evaluation allows forbidden tags to bypass FORBID_TAGS restrictions. Attackers can craft input containing tags listed in FORBID_TAGS that are also added via ADD_TAGS function, causing them to be retained in sanitized output.
Weakness
The product compares two entities in a security-relevant context, but the comparison is incorrect.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Dompurify | Cure53 | * | 3.4.0 (excluding) |
| Node-dompurify | Ubuntu | upstream | * |
Extended Description
This Pillar covers several possibilities:
Related Attack Patterns
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