If successfully exploited, an attacker can:
In a strange twist of open-source fate, development on Pico was largely abandoned. The official GitHub repository now explicitly advises against using Pico for new websites. However, it notes that remains "as stable as the last stable releases," serving as the final, accidental legacy of a project that simply "didn't make it through the release process" before the lights went out.
: Older versions of Pico (University of Washington text editor, not the CMS) were vulnerable to File Overwrite (CVE-2001-0736). Exploit-DB 3. Related "Pico" Vulnerabilities