CVE-2026-39471 Details
Description
Author PHP Object Injection in ShortPixel Image Optimizer <= 6.4.3 versions.
A PHP object injection vulnerability has been identified in the ShortPixel Image Optimizer WordPress plugin, affecting versions through 6.4.3. This vulnerability could potentially allow a malicious actor to exploit object injection, leading to various issues such as code execution, SQL injection, path traversal, or a denial-of-service, especially if a suitable object injection chain is available.
Users of the ShortPixel Image Optimizer WordPress plugin should update to version 6.4.4 or later. Patchstack users can enable auto-updates for vulnerable plugins.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 15, 2026CISA-ADP
Assessed Jun 15, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ShortPixel Image Optimizer | <= 6.4.3 (semver) |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | New CVE Received | [email protected] |