CVE-2026-32502 CRITICAL

CVE-2026-32502: WordPress Borgholm theme < 1.6 - PHP Object Injection vulnerability

Vendor Select-Themes

Product Borgholm

Weakness CWE-502 · Unsafe deserialization

Published March 25, 2026

Last update April 29, 2026

View on NVD All CVEs

CVSS base score

9.8/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Select-Themes Borgholm borgholm-marketing-agency-theme allows Object Injection.This issue affects Borgholm: from n/a through < 1.6.

Explanation of Vulnerability in Simple Terms

02Summary

Borgholm before version 1.6 contains a deserialization vulnerability that allows unauthenticated attackers to run arbitrary code on the site by sending a specially crafted request. No user interaction is required. This affects all installations running versions prior to 1.6.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site without authentication.

Potential impact on your site

04Site Impact

Complete compromise of the site, including data theft, malware injection, and site takeover.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

March 25, 2026 CVE published

April 29, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-32502 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

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