Critical (9.0) in pyrocms pyrocms. EPSS 0.8% chance of exploitation in the next 30 days.
PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS_ when a low privileged user such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.
Severity
CVSS 3.1
9.0 critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS
0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)