CVE-2026-78286CWE-502insecure-deserialization

CVE-2026-78286

Critical · published August 27, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
45.8
In the wild
Unconfirmed
What it is

Unauthenticated PHP Object Injection in Geo Controller <= 8.9.8 versions.

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
0.00564 · 45.8th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-08-27T14:16Z
References (1)
https://patchstack.com/database/wordpress/plugin/cf-geoplugin/vulnerability/wordpress-geo-controller-plugin-8-9-8-php-object-injection-vulnerability?_s_id=cve · [email protected]
EPSS history
Timeline
  • 28 AUG 06:53Z
    EPSS moved — → 1%
    epss
  • 27 AUG 09:00Z
    WordPress Geo Controller plugin <= 8.9.8 - PHP Object Injection vulnerability
    cvelistv5