CVE-2026-32511 MEDIUM

CVE-2026-32511: WordPress Stål theme < 1.7 - Arbitrary Object Instantiation vulnerability

Vendor Mikado-Themes

Product Stål

Weakness CWE-502 · Unsafe deserialization

Published March 25, 2026

Last update April 29, 2026

View on NVD All CVEs

CVSS base score

5.4/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Mikado-Themes Stål stal allows Object Injection.This issue affects Stål: from n/a through < 1.7.

Explanation of Vulnerability in Simple Terms

02Summary

Stål versions before 1.7 contain a deserialization vulnerability that allows authenticated users to modify site data. An attacker with low-level access can craft malicious serialized objects to alter content or functionality. The vulnerability requires valid login credentials but no additional user interaction. Update to version 1.7 or later to resolve this issue.

What an attacker can do

03Attacker Capabilities

Modify site data or functionality by submitting malicious serialized objects.

Potential impact on your site

04Site Impact

Authenticated users can alter site content or behavior without authorization.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account with low-level privileges.

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-2026-32511 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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