Insecure or unset HTTP headers - Content-Security-Policy

Description

The application has unsafe configurations regarding the Content-Security-Policy header. This may be because:
- Header is missing from server responses.
- The header has not defined mandatory security policies.
- Defined security policies contain insecure values.

Impact

- Embed content, scripts, blobs or images from potentially malicious sources.
- Make possible to carry attacks like Cross-Site Scripting, Cross-Site Leaks, among others.

Recommendation

Set the Content-Security-Policy header in the server responses and configure it in a secure way.

Threat

Unauthorized attacker from Internet.

Expected Remediation Time

⌚ 15 minutes.

Score

Default score using CVSS 3.1. It may change depending on the context of the src.

Base

Attack vector: N
Attack complexity: H
Privileges required: N
User interaction: R
Scope: U
Confidentiality: L
Integrity: L
Availability: N

Temporal

Exploit code maturity: P
Remediation level: O
Report confidence: C

Result

Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C
Score:

Base: 4.2
Temporal: 3.8

Severity:

Base: Medium
Temporal: Low

Score 4.0

Default score using CVSS 4.0. It may change depending on the context of the src.

Base 4.0

Attack vector: N
Attack complexity: H
Attack Requirements: N
Privileges required: N
User interaction: P
Confidentiality (VC): L
Integrity (VI): L
Availability (VA): N
Confidentiality (SC): N
Integrity (SI): N
Availability (SA): N

Threat 4.0

Exploit maturity: P

Result 4.0

Vector string: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Score:

CVSS-BT: 1.3

Severity:

CVSS-BT: Low

Requirements

Fixes

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