CVE-2026-39555 HIGH

CVE-2026-39555: WordPress Askka theme <= 1.3.1 - PHP Object Injection vulnerability

Vendor Elated-Themes

Product Askka

Weakness CWE-502 · Unsafe deserialization

Published June 2, 2026

Last update June 2, 2026

View on NVD All CVEs

CVSS base score

8.1/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Elated-Themes Askka allows Object Injection. This issue affects Askka: from n/a through 1.3.1.

Explanation of Vulnerability in Simple Terms

02Summary

Askka versions up to 1.3.1 contain a deserialization vulnerability that allows an attacker to execute arbitrary code on the site by sending a specially crafted network request. No authentication is required, but the attack requires specific conditions to succeed. Sites running affected versions should update immediately.

What an attacker can do

03Attacker Capabilities

Run their own 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; specific attack conditions must be met (high complexity).

Key dates

06Disclosure timeline

June 2, 2026 CVE published

June 2, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-39555 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

Related vulnerabilities