CVE-2026-86644

Katalog CVE

CVSS 3.5 · Low EPSS 0,37%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Skor CVSS 3.1 3.5 (Low) menurut vuldb.com.

Deskripsi (NVD)

A vulnerability was determined in star7th showdoc up to 3.9.1. This vulnerability affects unknown code of the file web_src/public/editor.md/editormd.js of the component API Page Save Endpoint. Executing a manipulation can lead to cross site scripting. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 3.9.2 is able to resolve this issue. This patch is called a8ea1520850b4242f395247f72e87e597506cef0. Upgrading the affected component is recommended. The vendor confirms: "The fix [...] sets Mermaid `securityLevel` to `strict`, disables `htmlLabels`, and sanitizes rendered SVG with DOMPurify."

Rincian

Terbit di NVD

8 September 2026

Terakhir diubah

8 September 2026

Status NVD

Deferred

CVSS 3.1

3.5 (Low), sumber vuldb.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N · 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)

0,37% peluang dieksploitasi; lebih tinggi dari 28,4% 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://gist.github.com/saDL0w/36a72a076e9ab24408a3d27582e778b2
• https://github.com/star7th/showdoc/
• https://github.com/star7th/showdoc/commit/a8ea1520850b4242f395247f72e87e597506cef0
• https://github.com/star7th/showdoc/releases/tag/v3.9.2
• https://vuldb.com/cve/CVE-2026-86644
• https://vuldb.com/submit/906282
• https://vuldb.com/vuln/399755
• https://vuldb.com/vuln/399755/cti