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Hidden posts disclosure in previous, next posts and sitemap

High
Ooggle published GHSA-6v3p-ggvg-j74x Apr 26, 2023

Package

dead-simple-blog

Affected versions

< 1.1.1

Patched versions

1.1.1

Description

Summary

Hidden posts visible in the footer while viewing other posts.

PoC

  • Create a visible and hidden post.
  • Add in your sitemap.
  • Go /sitemap.json
  • Create a visible and hidden post.
  • Add in your sitemap.
  • Go to the visible post.
  • Hidden post disclosed in the footer of the visible post.

Impact

Confidentiality of hidden posts

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE ID

No known CVE

Weaknesses

Credits