CVE-2021-23342

Katalog CVE

CVSS 6.1 · Medium EPSS 1,7%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada docsifyjs docsify. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

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

Rincian

Terbit di NVD

19 Februari 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.1 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

1,7% peluang dieksploitasi; lebih tinggi dari 76,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/docsifyjs/docsify/commit/ff2a66f12752471277fe81a64ad6c4b2c08111fe patch · advisory pihak ketiga
• http://packetstormsecurity.com/files/161495/docsify-4.11.6-Cross-Site-Scripting.html exploit · advisory pihak ketiga
• http://seclists.org/fulldisclosure/2021/Feb/71 mailing list · advisory pihak ketiga
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076593 exploit · advisory pihak ketiga
• https://snyk.io/vuln/SNYK-JS-DOCSIFY-1066017 exploit · advisory pihak ketiga