CVE-2023-43876

MEDIUM

October <3.4.16 - XSS

Title source: llm

Description

A Cross-Site Scripting (XSS) vulnerability in installation of October v.3.4.16 allows an attacker to execute arbitrary web scripts via a crafted payload injected into the dbhost field.

Exploits (1)

nomisec WORKING POC
by sromanhu · poc
https://github.com/sromanhu/CVE-2023-43876-October-CMS-Reflected-XSS---Installation

Scores

CVSS v3 5.4
EPSS 0.0026
EPSS Percentile 49.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (2)
october/cms 0Packagist
octobercms/october 3.4.16
Published Sep 28, 2023
Tracked Since Feb 18, 2026