Paper/Archive/CVE-2026-28149

CVE-2026-28149

miniOrange Headless Single Sign On — WordPress Headless Single Sign On plugin <= 1.6 - PHP Object Injection vulnerability

EPSS 0.6%CVSS 9.8

critical.is priorityof 100

39

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 46.9.469 × 209.4 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Unauthenticated PHP Object Injection in Headless Single Sign On <= 1.6 versions.

Affected

ProductAffectedFixed inSource

Headless Single Sign Onn/a – 1.6–CNA

Scores by source

Patchstack (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refpatchstack.com/database/wordpress/plugin/headless-single-sign-on/vulnerability/wordpress-headless-single-sign-on-plugin-1-6-php-object-injection-vulnerability?_s_id=cve