CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
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3Tags
Description
Deserialization of Untrusted Data vulnerability in Mikado-Themes Halstein halstein allows Object Injection.This issue affects Halstein: from n/a through < 1.8.
Analysis
This is a deserialization of untrusted data vulnerability in the Mikado-Themes Halstein WordPress theme (versions prior to 1.8) that allows arbitrary object injection via CWE-502. An attacker can exploit this flaw to instantiate arbitrary PHP objects, potentially leading to remote code execution or information disclosure depending on available gadget chains. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-15862
GHSA-p662-9cjc-934w