CVE-2025-27287

CRITICAL 9.8

WordPress SS Quiz Plugin <= 2.0.5 - PHP Object Injection vulnerability

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Deserialization of Untrusted Data vulnerability in ssvadim SS Quiz ssquiz allows Object Injection.This issue affects SS Quiz: from n/a through <= 2.0.5.

CWE	CWE-502
Vendor	ssvadim
Product	ss quiz
Published	Apr 17, 2025
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

ssvadim / SS Quiz

0 ≤ 2.0.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/ssquiz/vulnerability/wordpress-ss-quiz-plugin-2-0-5-php-object-injection-vulnerability?_s_id=cve

Credits

João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program