Privilege escalation in Puppyfw
CVE-2026-88904
The PuppyFW WordPress plugin through 0.4.4 does not have proper authorisation on one of its REST routes, which tests the caller against a capability taken from the request itself, allowing any authenticated user, including subscribers, to add, modify and delete arbitrary blog options and thereby escalate their privileges.
Vulnerability class: Privilege Escalation
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Unknown Puppyfw
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-88904?
- CVE-2026-88904 is a high-severity vulnerability in Puppyfw, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-09-17.
- How severe is CVE-2026-88904?
- High severity. CVSS v3 base score is 8.8 out of 10.