- Published on
- Name
- rvr
The challenge involved crafting an XSS payload to extract a flag from an HTML tag, leveraging a vulnerability in the processing of uploaded .xlsx files and exploiting xmlattr vulnerability in Jinja2.
rvr
Team Vice-captain
Joined March 2024
Experties
About
Security enthusiast who enjoys understanding how things work. Specializes primarily in web category.
Last flag captured on Oct 27, 2025.
Achievements
Flags
178
Bloods
1
CTFs
59
Writeups
6