CVE-2025-26873

CRITICAL
2025-03-27 [email protected]
9.0
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:33 vuln.today
CVE Published
Mar 27, 2025 - 22:15 nvd
CRITICAL 9.0

Tags

Deserialization

Description

Deserialization of Untrusted Data vulnerability in Shine theme Traveler.This issue affects Traveler: from n/a before 3.2.1.

Analysis

Deserialization of Untrusted Data vulnerability in Shine theme Traveler.2.1. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical Context

This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. Deserialization of Untrusted Data vulnerability in Shine theme Traveler.2.1. Version information: before 3.2.1..

Affected Products

Shine theme Traveler.This.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.

Priority Score

45
Low Medium High Critical
KEV: 0
EPSS: +0.3
CVSS: +45
POC: 0

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CVE-2025-26873 vulnerability details – vuln.today
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