AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-23342

HIGH · CVSS 8.6 EPSS 1.66% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-19 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.6. It affects Java. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

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

GitHub PoC Links
External Security References

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

CVE
CVE-2021-23342
Severity
HIGH
CVSS
8.6
EPSS
1.66%
Java

Original NVD Description

This affects the package docsify before 4.12.0. It is possible to bypass the remediation done by CVE-2020-7680 and execute malicious JavaScript through the following methods 1) When parsing HTML from remote URLs, the HTML code on the main page is sanitized, but this sanitization is not taking place in the sidebar. 2) The isURL external check can be bypassed by inserting more “////” characters

Related CVEs

Other vulnerabilities affecting the same vendor(s)