CVE-2026-111408
8.8HighPublished 19 Oct 2026 · NVD status: Received · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-502
Impact
Authenticated remote attackers with low privileges can achieve arbitrary code execution or manipulate internal state via PHP object injection. They only need network access and valid low-level credentials on the WordPress site.
Root cause
The plugin unsafely deserializes user-controlled input without adequate validation.
Affected systems
Quiz And Survey Master (quiz-master-next) plugin through 11.2.7
CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Fix & remediation
Upgrade Quiz And Survey Master to a version newer than 11.2.7 once released. If patching cannot happen immediately, deactivate and disable the quiz-master-next plugin via WP-CLI or the administrative dashboard.
$ wp plugin update quiz-master-nextAI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Deserialization of Untrusted Data vulnerability in ExpressTech Quiz And Survey Master quiz-master-next allows Object Injection.This issue affects Quiz And Survey Master: from n/a through 11.2.7.