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Home / CVE DB / CVE-2025-10493
Standard
Vulnerability Identifier

CVE-2025-10493

2025-09-18
Severity Assessment
5.3
MEDIUM
CVSS v3.x Score
Clinical Analysis (Description)

The Chained Quiz plugin for WordPress is vulnerable to Insecure Direct Object Reference in version 1.3.4 and below via the quiz submission and completion mechanisms due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to hijack and modify other users' quiz attempts by manipulating the chained_completion_id cookie value, allowing them to alter quiz answers, scores, and results of any user. The vulnerability was partially patched in versions 1.3.4 and 1.3.5.

Vector Sequencing

Attack Parameters

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Impact Consequences

Technical Impact

Unchanged
Scope
None
Confidentiality
Low
Integrity
None
Availability
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness Classification

CWE-CWE-639

View CWE Details ↗
Timeline

Time Line

PUBLICATION
18 Sep 2025
MODIFICATION
18 Sep 2025
Impact Statistics

Key Metrics

CVSS Score
5.3
MEDIUM
Public Exploit Available
Remediation Protocol

Recommended Solution

No automatic solution found. Check vendor references.
Patch Library
No direct patch listed in database.
Recommended Actions for Administrators

Immediate Action Plan

1. Inventory

Identify all affected systems in your infrastructure.

2. Assessment

Assess exposure and criticality for your organization.

3. Mitigation

Apply patches or available workarounds.

4. Verification

Test and confirm effectiveness of applied measures.

Sources & Bibliography
NIST NVD MITRE CVE External Reference ↗ External Reference ↗ External Reference ↗ External Reference ↗ External Reference ↗