CVE-2026-34448

Katalog CVE

CVSS 9.0 · Critical EPSS 0,73%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada b3log siyuan. Skor CVSS 3.1 9.0 (Critical) menurut github.com.

Deskripsi (NVD)

SiYuan is a personal knowledge management system. Prior to version 3.6.2, an attacker who can place a malicious URL in an Attribute View mAsse field can trigger stored XSS when a victim opens the Gallery or Kanban view with “Cover From -> Asset Field” enabled. The vulnerable code accepts arbitrary http(s) URLs without extensions as images, stores the attacker-controlled string in coverURL, and injects it directly into an <img src="..."> attribute without escaping. In the Electron desktop client, the injected JavaScript executes with nodeIntegration enabled and contextIsolation disabled, so the XSS reaches arbitrary OS command execution under the victim’s account. This issue has been patched in version 3.6.2.

Rincian

Terbit di NVD

31 Maret 2026

Terakhir diubah

24 Juli 2026

Status NVD

Analyzed

CVSS 3.1

9.0 (Critical), sumber github.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94: Improper Control of Generation of Code ('Code Injection')

EPSS (30 hari)

0,73% peluang dieksploitasi; lebih tinggi dari 52,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rx4h-526q-4458 exploit · advisory vendor
• https://github.com/siyuan-note/siyuan/issues/17246 issue tracking
• https://github.com/siyuan-note/siyuan/releases/tag/v3.6.2 release notes