CVE-2021-25987 Hexo - Stored XSS

2021-11-3013:50:09

CWE-79

Mend

www.cve.org

hexo

stored xss

vulnerability

versions 0.0.1 to 5.4.0

malicious javascript

web page generation

unprivileged attacker

arbitrary code

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.4

Confidence

High

EPSS

Percentile

12.6%

JSON

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.

CNA Affected

[
  {
    "product": "Hexo",
    "vendor": "Hexo",
    "versions": [
      {
        "lessThanOrEqual": "5.4.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "next of 0.0.1",
        "versionType": "custom"
      }
    ]
  }
]