Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Lifecycle Timeline
4DescriptionCVE.org
Deserialization of Untrusted Data vulnerability in Edge-Themes Kamperen kamperen allows Object Injection.This issue affects Kamperen: from n/a through < 1.3.
AnalysisAI
A deserialization of untrusted data vulnerability exists in Edge-Themes Kamperen WordPress theme versions prior to 1.3, allowing attackers to perform arbitrary object instantiation through object injection attacks. This CWE-502 vulnerability enables remote code execution or information disclosure without requiring authentication in many scenarios. …
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Vulnerability AssessmentAI
| Risk Assessment | While no CVSS score, EPSS probability, or KEV status has been assigned, the vulnerability should be treated as high priority based on several factors: (1) the attack vector is likely network-based and requires low to no authentication given the theme context, (2) CWE-502 deserialization flaws are routinely exploited in real-world attacks and often lead to remote code execution, (3) WordPress themes are widely distributed and installations tend to lag on updates, creating a large attack surface, (4) Patchstack's public disclosure increases visibility to malicious actors. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated attacker discovers that the Kamperen theme processes user-supplied input (likely via a theme option, form submission, or REST API endpoint) without proper input validation before unserializing it. The attacker crafts a malicious serialized PHP object chain that, when unserialized, triggers magic methods in commonly available WordPress classes (such as those in plugins or core) to execute arbitrary code—for example, writing a PHP backdoor file to wp-content/uploads/. … |
| Remediation | Immediately upgrade the Kamperen theme to version 1.3 or later through the WordPress theme administration panel or via direct download from the Edge-Themes vendor. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-15864
GHSA-g86r-3x4w-vj28