CWE-827: Improper Control of Document Type Definition

low-risk

The product does not restrict a reference to a Document Type Definition (DTD) to the intended control sphere. This might allow attackers to reference arbitrary DTDs, possibly causing the product to expose files, consume excessive system resources, or execute arbitrary http requests on behalf of the attacker.

Abstraction: Variant

Common Consequences

Confidentiality Read Files or Directories
Availability DoS: Resource Consumption (CPU)
Integrity Execute Unauthorized Code or Commands

Real-World Examples (1)

CVE CVSS EPSS KEV
CVE-2025-4949 5.3 0.2%
0
/ 100
low-risk
Active Threat 0/50 · Minimal
Exploit Availability 0/50 · Minimal