#css-injection CTF challenges
8 CTF challenges using css-injection from 8 CTFs (2021–2025), 8 with writeups.
Often combined with
#csp-bypass 2 #data-exfiltration 2 #browser-extension 1 #html-injection 1 #xs-leak 1 #prototype-pollution 1 #web 1 #form-state-restoration 1 #bfcache 1
Challenges
Filter and sort these in the challenge browser →
| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| styleme | corCTF 2021 | 24.92 | Web | files wu 1 |
| safestnote | DiceCTF 2025 Quals | 81.00 | Web | files wu 1 |
| Flags | Zh3r0 2021 | – | Web | files wu 1 |
| adversal | WolvCTF 2023 | 24.33 | Web | files wu 1 |
| pwnypass | UIUCTF 2024 | – | Web | files wu 1 |
| Bench_Press | Hack.lu 2024 | 100.00 | Web | files wu 1 |
| markdown-plus-plus | HSCTF 2022 | – | Web | files wu 1 |
| Stylish | BCACTF 2021 | – | Web | files wu 1 |