CVE-2026-27437
CRITICAL
2026-03-05
[email protected]
9.8
CVSS 3.1
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CVSS Vector
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
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 05, 2026 - 06:16 nvd
CRITICAL 9.8
Tags
Description
Deserialization of Untrusted Data vulnerability in ThemeREX Tennis Club tennis-sportclub allows Object Injection.This issue affects Tennis Club: from n/a through <= 1.2.3.
Analysis
Deserialization of untrusted data in Tennis Club (tennis-sportclub) WordPress theme allows PHP Object Injection, potentially enabling remote code execution through POP chains.
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Remediation
Within 24 hours: Audit all systems running Tennis Club plugin and document affected instances; immediately disable the plugin if business operations permit. Within 7 days: Evaluate alternative plugins or custom solutions; implement compensating controls listed below. …
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Priority Score
49
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +49
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).