CVE-2023-43263

MEDIUM

Froala Editor 4.1.1 - Stored Cross-Site Scripting via Markdown Component

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-43263. PoCs published by b0marek.

AI-analyzed exploit summary This repository provides a functional proof-of-concept for CVE-2023-43263, demonstrating an XSS vulnerability in Froala Editor v4.1.1 via a crafted Markdown input. The payload exploits improper handling of HTML attributes in the Markdown component to execute arbitrary JavaScript.

Description

A Cross-site scripting (XSS) vulnerability in Froala Editor v.4.1.1 allows attackers to execute arbitrary code via the Markdown component.

Exploits (1)

nomisec WORKING POC
by b0marek · poc
https://github.com/b0marek/CVE-2023-43263

This repository provides a functional proof-of-concept for CVE-2023-43263, demonstrating an XSS vulnerability in Froala Editor v4.1.1 via a crafted Markdown input. The payload exploits improper handling of HTML attributes in the Markdown component to execute arbitrary JavaScript.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Froala Editor v4.1.1
No auth needed
Prerequisites: Access to a Froala Editor instance with Markdown component enabled
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Product, Third Party Advisory
https://github.com/b0marek/CVE-2023-43263

Scores

CVSS v3 6.1
EPSS 0.0069
EPSS Percentile 47.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
froala/froala_editor 4.1.1
Published Sep 27, 2023
Tracked Since Feb 18, 2026