CVE-2023-43342

MEDIUM

Quick CMS 6.7 - Stored Cross-Site Scripting in Languages Menu Component

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-43342. PoCs published by sromanhu.

AI-analyzed exploit summary This repository documents a stored XSS vulnerability in Quick CMS v6.7, where insufficient sanitization in the 'Languages - Front and back end' section allows arbitrary JavaScript execution. The PoC demonstrates injection via the Pages field using an SVG onload event.

Description

Cross-site scripting (XSS) vulnerability in opensolution Quick CMS v.6.7 allows a local attacker to execute arbitrary code via a crafted script to the Languages Menu component.

Exploits (1)

nomisec WRITEUP
by sromanhu · poc
https://github.com/sromanhu/CVE-2023-43342-Quick-CMS-Stored-XSS---Languages-Frontend

This repository documents a stored XSS vulnerability in Quick CMS v6.7, where insufficient sanitization in the 'Languages - Front and back end' section allows arbitrary JavaScript execution. The PoC demonstrates injection via the Pages field using an SVG onload event.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Quick CMS v6.7
Auth required
Prerequisites: Access to the admin panel · Ability to modify language settings
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 5.4
EPSS 0.0049
EPSS Percentile 37.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
opensolution/quick_cms 6.7
Published Oct 19, 2023
Tracked Since Feb 18, 2026