CVE-2024-33553 CRITICAL

CVE-2024-33553: WordPress XStore Core plugin <= 5.3.5 - Unauthenticated PHP Object Injection vulnerability

Vendor 8Theme

Product XStore Core

Weakness CWE-502 · Unsafe deserialization

Published April 29, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

9.0/10

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:C/C:H/I:H/A:H

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3.5.

Explanation of Vulnerability in Simple Terms

02Summary

XStore Core versions up to 5.3.5 contain a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on the site. The vulnerability requires high attack complexity but can affect the entire system when exploited. Site administrators should update to a version newer than 5.3.5 immediately.

What an attacker can do

03Attacker Capabilities

Run their own code on the site and take full control of it.

Potential impact on your site

04Site Impact

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

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required, though exploitation requires specific technical conditions.

Key dates

06Disclosure timeline

April 29, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-33553 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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