CVE-2026-3240

Katalog CVE

CVSS 4.8 · Medium EPSS 0,28%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada concretecms concrete cms. Skor CVSS 3.1 4.8 (Medium) menurut NVD.

Deskripsi (NVD)

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Thanks minhnn42, namdi and quanlna2 from VCSLab-Viettel Cyber Security for reporting.

Rincian

Terbit di NVD

4 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

4.8 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/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)

0,28% peluang dieksploitasi; lebih tinggi dari 18,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes patch · release notes · advisory vendor
• https://github.com/concretecms/concretecms/pull/12826 exploit · issue tracking · advisory vendor