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Case File

CVE-2021-25987

MEDIUM · CVSS 5 EPSS 0.33% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-30 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.0. It affects Java. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-25987
Severity
MEDIUM
CVSS
5
EPSS
0.33%
Java

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)