CVE-2021-25987 MEDIUM

CVE-2021-25987: Hexo - Stored XSS

Vendor Hexo
Product Hexo
Weakness CWE-79 · XSS
Published November 30, 2021
Last update April 30, 2025

CVSS base score

5.0/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Hexo versions 0.0.1 to 5.4.0 are vulnerable against stored XSS. The post “body” and “tags” don’t sanitize malicious javascript during web page generation. Local unprivileged attacker can inject arbitrary code.

Key dates

02Disclosure timeline

November 30, 2021 CVE published
April 30, 2025 Record updated