CVE-2024-4367-PoC

CVE-2024-4367 & CVE-2024-34342: Arbitrary JavaScript execution in PDF.js A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. If pdf.js is...

CVE-2023-21716

CVE-2023-21716 POC : CVE-2023-21716 Microsoft Word RTF Font Table Heap Corruption...

dompdf-rce

RCE exploit for dompdf This repository contains a vulnerable demo application using dompdf 1.2.0 and an exploit that achieves remote code execution via a ttf+php polyglot file. For more details, please visit https://positive.security/blog/dompdf-rce Instructions 1. Run the demo application $ cd...

php-exploit_cve-2022-31630

CVE-2022-31630 – Proof of Concept Exploit Warning: This code is made only for educational purposes and testing in an isolated laboratory environment. Use on other systems without permission is illegal and irresponsible. 📌 Description CVE-2022-31630 is an Out-of-Bounds OOB Read vulnerability in th...

WDBFontOverwrite

Proof-of-concept app to overwrite fonts on iOS using CVE-2022-46689. Works on iOS 16.1.2 and below tested on iOS 16.1 on unjailbroken devices. IPA available in the Releases section. Fonts included: DejaVu Sans Condensed DejaVu Serif DejaVu Sans Mono Go Regular Go Mono Fira Sans Segoe UI Comic San...

CVE-2020-1020

CVE-2020-1020 Windows Font Driver Type 1 VToHOrigin stack corruption only works on win7 x64...

EvilFontTool

EvilFontTool A font-based deception tool for red teaming, security research, and whatever else. EvilFontTool hides machine-readable text inside a document that displays completely different text to a human reader. It does this using Evil Fonts — fonts that intentionally deceive the viewer by...

WordPress Admin Font Editor <=1.8 - Cross-Site Scripting

WordPress Admin Font Editor 1.8 and before contains a reflected cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication...

WordPress MW Font Changer <=4.2.5 - Cross-Site Scripting

WordPress MW Font Changer plugin 4.2.5 and before contains a cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication...

CVE-2021-25094

CVE-2021-25094 Tatsu Plugin ZIP File addcustomfont unrestricted upload usage php p.php...

CVE-2020-15999

CVE-2020-15999 Here you will all the resources in order to execute the PoC for the CVE-2020-15999 in Google Chrome and Ftview Ubuntu. There are two folders in this repository, one for each program. Google Chrome In order to reproduce the exploit you will have to install a Google Chrome version...

z80-sans

Z80 Sans What's your favourite disassembler? Mine's a font: https://github.com/user-attachments/assets/bb6ceb18-c2fd-40a9-be4f-202321a214d9 This font converts sequences of hexadecimal lowercase characters into disassembled Z80 instructions, by making extensive use of OpenType's Glyph Substitution...

CVE-2022-28368

CVE-2022-28368 - Dompdf RCE Dompdf RCE PoC Exploit alt text ExploitDB Dompdf versions 1.2.1 are vulnerable to Remote Code Execution RCE by injecting CSS into the data. The file can be tricked into storing a malicious font with a .php file extension in its font cache, which can later be executed b...

CVE-2022-26927

CVE-2022-26927 A proof-of-concept font with a write-up attached. I will begin working on this tomorrow. Apologizes that I have not done much research on ExFreePoolWithTag. I will be sure to get to that shortly!...

CVE-2022-31630---Proof-of-Concept-Exploit-untuk-PHP-7.4.33

CVE-2022-31630 - Proof of Concept Exploit for PHP 7.4.33 Warning: This code is created solely for educational purposes and testing in an isolated laboratory environment. Use on other systems without authorization is illegal and irresponsible. 📋 Description CVE-2022-31630 is an Out-of-Bounds OOB...

CVE-2026-86950-POC

CVE-2026-86950-POC Proof of Concept for CVE-2026-86950 Verification: EXPLOIT DETECTED exp.pdf - glyph 'space' outline extends 240x the em square 239978 font units -- impossible for a legitimate glyph - 4096 x device coordinate reaches 2.95e+09 at text size 3000, overflowing int32 2147483647 -- th...

CVE-2025-27363-proof-of-concept

Proof-of-concept for CVE-2025-27363 that crashes FreeType 2.13.0. This modifies Roboto Flex, a variable font, so that the "%" character glyph 8 is now a composite glyph with 0xfffd subglyphs. Rendering the edited font with FreeType 2.13.0 the last version before the fix crashes, with ASAN detecti...

confusable-vision

confusable-vision The world's first font-by-font confusables dataset. Which Unicode characters look like which, measured from the fonts' outlines rather than from pixels. The current release, 2026.09.26, compares every letter and digit that each of 322 fonts draws, at the size and baseline positi...

test-cve-2025-29927

This is a Next.js project bootstrapped with create-next-app. Getting Started First, run the development server: npm run dev or yarn dev or pnpm dev or bun dev Open http://localhost:3000 with your browser to see the result. You can start editing the page by modifying app/page.tsx. The page...

Palimpsest

CVE-2026-74945 · Uninitialized heap disclosure through a crafted web font This directory holds an honest reproduction package for an uninitialized-memory disclosure in Firefox font handling. A crafted @font-face font walks the OTS output stream into an uninitialized-heap gap, and ordinary content...