csirt@kutim:~/threat-intel/cve/CVE-2023-34461

Katalog CVE

CVSS 5.4 · Medium EPSS 0,34%

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

Deskripsi (NVD)

PyBB is an open source bulletin board. A manual code review of the PyBB bulletin board server has revealed that a vulnerability could have been exploited in which users could submit any type of HTML tag, and have said tag run. For example, a malicious `<a>` that looks like ```<a href=javascript:alert (1)>xss</a>``` could have been used to run code through JavaScript on the client side. The problem has been patched as of commit `5defd92`, and users are advised to upgrade. Attackers do need posting privilege in order to exploit this vulnerability. This vulnerability is present within the 0.1.0 release, and users are advised to upgrade to 0.1.1. Users unable to upgrade may be able to work around the attack by either; Removing the ability to create posts, removing the `|safe` tag from the Jinja2 template titled "post.html" in templates or by adding manual validation of links in the post creation section.

Rincian

Terbit di NVD
19 Juni 2023
Terakhir diubah
17 Juni 2026
Status NVD
Modified
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')
EPSS (30 hari)
0,34% peluang dieksploitasi; lebih tinggi dari 25,2% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
pybb project pybb Versi 0.1.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.