CVE-2022-21649: convos

csirt@kutim:~/threat-intel/cve/CVE-2022-21649

CVSS 5.4 · Medium EPSS 0,93%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada convos. Skor CVSS 3.1 5.4 (Medium) menurut NVD.

Deskripsi (NVD)

Convos is an open source multi-user chat that runs in a web browser. Characters starting with "https://" in the chat window create an <a> tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for "<" or ">" but escaping for double quotes does not exist. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible.

Rincian

Terbit di NVD: 4 Januari 2022
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 5.4 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/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): 0,93% peluang dieksploitasi; lebih tinggi dari 59,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
convos	convos	Semua versi sebelum 6.52

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c patch · advisory pihak ketiga
https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7 patch · advisory pihak ketiga
https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/ exploit · patch · advisory pihak ketiga
https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability broken link · 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.