CVE-2020-26302: is.js project is.js

csirt@kutim:~/threat-intel/cve/CVE-2020-26302

CVSS 7.5 · High EPSS 0,89%

Kerentanan Uncontrolled Resource Consumption pada is.js project is.js. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

is.js is a general-purpose check library. Versions 0.9.0 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). is.js uses a regex copy-pasted from a gist to validate URLs. Trying to validate a malicious string can cause the regex to loop “forever." This vulnerability was found using a CodeQL query which identifies inefficient regular expressions. is.js has no patch for this issue.

Rincian

Terbit di NVD: 22 Desember 2022
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-400: Uncontrolled Resource Consumption
CWE-1333: Inefficient Regular Expression Complexity
EPSS (30 hari): 0,89% peluang dieksploitasi; lebih tinggi dari 58,3% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
is.js project	is.js	Semua versi hingga 0.9.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/arasatasaygin/is.js/issues/320 issue tracking · advisory pihak ketiga
https://securitylab.github.com/advisories/GHSL-2020-295-redos-is.js exploit · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.