CVE-2026-78362CWE-269privilege-escalation

CVE-2026-78362

Critical · published September 5, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

The SEO Flow by LupsOnline WordPress plugin before 3.0.3 does not correctly validate the credential supplied with its API requests, allowing unauthenticated users to be served as the administrator who configured the SEO Flow by LupsOnline WordPress plugin before 3.0.3 and take over the site. Exploitation requires the SEO Flow by LupsOnline WordPress plugin before 3.0.3 to have been configured, which is its normal operating state.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00498 · 41.8th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2026-09-05T11:17Z
References (1)
https://wpscan.com/vulnerability/0833424b-1231-4a48-be90-13fe4edc60c9/ · [email protected]
EPSS history
Timeline
  • 06 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 05 SEP 06:00Z
    SEO Flow by LupsOnline 3.0.0 - 3.0.2 - Unauthenticated Privilege Escalation via API Key Authentication
    cvelistv5