CVE-2026-93923

Katalog CVE

CVSS 8.8 · High EPSS 0,60%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Skor CVSS 3.1 8.8 (High) menurut vulncheck.com.

Deskripsi (NVD)

SiYuan through 3.8.4 fails to escape heading style attributes when rendering outline and bookmark dock HTML, allowing stored cross-site scripting. Attackers can supply crafted notebooks or call administrative endpoints to inject malicious style values that execute in the Electron renderer with full system access.

Rincian

Terbit di NVD

19 September 2026

Terakhir diubah

21 September 2026

Status NVD

Deferred

CVSS 3.1

8.8 (High), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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')

EPSS (30 hari)

0,60% peluang dieksploitasi; lebih tinggi dari 47,2% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/siyuan-note/siyuan
• https://github.com/siyuan-note/siyuan/blob/v3.8.4/app/src/util/Tree.ts#L133
• https://github.com/siyuan-note/siyuan/blob/v3.8.4/app/src/util/Tree.ts#L194
• https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/model/render.go#L71-L76
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-928g-4hfq-qwvx
• https://www.vulncheck.com/advisories/siyuan-through-3.8.4-stored-xss-via-heading-style-attribute