CVE-2025-55735

Katalog CVE

CVSS 5.4 · Medium EPSS 0,21%

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

Deskripsi (NVD)

flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, when creating a post, there's no validation of the content of the post stored in the variable "postContent". The vulnerability arises when displaying the content of the post using the | safe filter, that tells the engine to not escape the rendered content. This can lead to a stored XSS inside the content of the post. The code that causes the problem is in template/routes.html.

Rincian

Terbit di NVD

19 Agustus 2025

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

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')
CWE-807: Reliance on Untrusted Inputs in a Security Decision

EPSS (30 hari)

0,21% peluang dieksploitasi; lebih tinggi dari 10,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/DogukanUrker/FlaskBlog/security/advisories/GHSA-gj9v-qhc3-gcfx exploit · advisory pihak ketiga