CVE-2023-39062

MEDIUM

html2pdf < 5.2.8 - Cross-Site Scripting via forms.php

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-39062. PoCs published by afine-com.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2023-39062, an XSS vulnerability in Spipu Html2Pdf's example files. It includes proof-of-concept HTTP requests demonstrating the vulnerability in `forms.php` and `example9.php` due to insufficient input sanitization.

Description

Cross Site Scripting vulnerability in Spipu HTML2PDF before v.5.2.8 allows a remote attacker to execute arbitrary code via a crafted script to the forms.php.

Exploits (1)

nomisec WRITEUP
by afine-com · poc
https://github.com/afine-com/CVE-2023-39062

This repository provides a detailed technical analysis of CVE-2023-39062, an XSS vulnerability in Spipu Html2Pdf's example files. It includes proof-of-concept HTTP requests demonstrating the vulnerability in `forms.php` and `example9.php` due to insufficient input sanitization.

Classification
Writeup 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Spipu Html2Pdf < 5.2.8
No auth needed
Prerequisites: Access to the vulnerable example files (`forms.php` or `example9.php`)
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 6.1
EPSS 0.3546
EPSS Percentile 97.2%
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 poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
html2pdf_project/html2pdf < 5.2.8
spipu/html2pdf 0 - 5.2.8Packagist
Published Aug 28, 2023
Tracked Since Feb 18, 2026