CVE-2020-21524 Information

Description

There is a XML external entity (XXE) vulnerability in halo v1.1.3 The function of importing other blogs in the background(/api/admin/migrations/wordpress) needs to parse the xml file but it is not used for security defense This vulnerability can detect the intranet read files enable ddos attacks etc. exp:https://github.com/halo-dev/halo/issues/423

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Reference

https://github.com/halo-dev/halo/issues/423

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

9.1