CVE-2026-39554 Details
Description
Unauthenticated PHP Object Injection in Fidalgo <= 1.2.2 versions.
A vulnerability allowing unauthenticated PHP object injection has been identified in the WordPress Fidalgo theme, specifically in versions through 1.2.2. This type of vulnerability could potentially lead to various exploits, including code execution, SQL injection, path traversal, and denial of service, especially if a suitable PHP object injection chain is available.
Users are advised to update the Fidalgo theme to version 1.3 or later. For those unable to update manually, it is recommended to contact their hosting provider or web developer for assistance.
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 17, 2026CISA-ADP
Assessed Jun 17, 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.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://patchstack.com/database/wordpress/theme/fidalgo/vulnerability/wordpress-fidalgo-theme-1-2-2-php-object-injection-vulnerability?_s_id=cve | [email protected] | AdvisoryRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Fidalgo | <= 1.2.2 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | New CVE Received | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |