is a solid, professional-style review draft that you can use or adapt. It is written from the perspective of a security researcher or bug hunter who has successfully reported a vulnerability to CapCut (ByteDance).

2. Root Cause Analysis (3–7 days)

Developers trace the issue—often in legacy code from CapCut’s rapid feature rollout (e.g., “Remove BG,” “Cloud Sync,” or “Team Collaboration” features). Many past fixes have involved:

[Action 3]: Clearing corrupt cache data automatically during updates. 💡 Lessons Learned

I have provided two versions: one for a Positive/Fast Experience and one for a Slow/Complex Experience, as bug bounty timelines can vary.

| Component | Potential Bug Types | |-----------|----------------------| | Web editor (capcut.com/edit) | XSS, CSRF, subdomain takeover, insecure direct object references (IDOR), rate limiting issues | | Mobile app (Android/iOS) | Deep link hijacking, insecure data storage, root/jailbreak detection bypass, SSRF via custom URI schemes | | Desktop app (Windows/Mac) | Local file inclusion, update mechanism MITM, inter-process communication (IPC) vulnerabilities | | Cloud / API | API key exposure, broken object level authorization, excessive data exposure, JWT issues | | Asset upload / export | SVG/XML injection, ZIP traversal, malicious template import |

The program incentivizes ethical hackers to find and disclose security flaws responsibly : Reports must be submitted via the TikTok/ByteDance HackerOne page

Here’s a proper, structured story of how a security researcher discovered, reported, and helped fix a bug in CapCut through a bug bounty program — written like an official case study or write-up.