CVE-2026-39578 - Vulnerability Details - OpenCVE

Unauthenticated PHP Object Injection in Valiance <= 1.2 versions.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0027.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Elated-Themes

Valiance

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 1.2

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

Update the WordPress Valiance Theme to the latest available version (at least 1.3).

Workaround

No workaround given by the vendor.

References

Link	Providers
https://patchstack.com/database/wordpress/theme/valiance/vulnerability/wordpress-valiance-theme-1-2-php-object-injection-vulnerability?_s_id=cve

History

Wed, 17 Jun 2026 11:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 16 Jun 2026 22:00:00 +0000

Type	Values Removed	Values Added
Description		Unauthenticated PHP Object Injection in Valiance <= 1.2 versions.
Title		WordPress Valiance theme <= 1.2 - PHP Object Injection vulnerability
Weaknesses		CWE-502
References		https://patchstack.com/database/wordpress/theme/valiance/vulnerability/wordpress-valiance-theme-1-2-php-object-injection-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-06-16T20:57:34.827Z

Updated: 2026-06-17T10:39:39.567Z

Reserved: 2026-04-07T10:48:38.855Z

Link: CVE-2026-39578

Vulnrichment

Updated: 2026-06-17T10:39:35.001Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-502

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-39578", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-04-07T10:48:38.855Z", "datePublished": "2026-06-16T20:57:34.827Z", "dateUpdated": "2026-06-17T10:39:39.567Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-06-16T20:57:34.827Z"}, "title": "WordPress Valiance theme <= 1.2 - PHP Object Injection vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-586", "descriptions": [{"lang": "en", "value": "CAPEC-586 Object Injection"}]}], "affected": [{"vendor": "Elated-Themes", "collectionURL": "https://wordpress.org/themes", "defaultStatus": "unaffected", "packageName": "valiance", "product": "Valiance", "versions": [{"lessThanOrEqual": "1.2", "status": "affected", "version": "n/a", "versionType": "custom", "changes": [{"at": "1.3", "status": "unaffected"}]}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Unauthenticated PHP Object Injection in Valiance <= 1.2 versions."}], "value": "Unauthenticated PHP Object Injection in Valiance <= 1.2 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/theme/valiance/vulnerability/wordpress-valiance-theme-1-2-php-object-injection-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N"}}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update the WordPress Valiance Theme to the latest available version (at least 1.3)."}], "value": "Update the WordPress Valiance Theme to the latest available version (at least 1.3)."}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Denver Jackson | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-17T10:26:12.911025Z", "id": "CVE-2026-39578", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T10:39:39.567Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-39578", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-17T10:26:12.911025Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T10:39:35.001Z"}}], "cna": {"title": "WordPress Valiance theme <= 1.2 - PHP Object Injection vulnerability", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Denver Jackson | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-586", "descriptions": [{"lang": "en", "value": "CAPEC-586 Object Injection"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Elated-Themes", "product": "Valiance", "versions": [{"status": "affected", "changes": [{"at": "1.3", "status": "unaffected"}], "version": "n/a", "versionType": "custom", "lessThanOrEqual": "1.2"}], "packageName": "valiance", "collectionURL": "https://wordpress.org/themes", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the WordPress Valiance Theme to the latest available version (at least 1.3).", "supportingMedia": [{"type": "text/html", "value": "Update the WordPress Valiance Theme to the latest available version (at least 1.3).", "base64": false}]}], "references": [{"url": "https://patchstack.com/database/wordpress/theme/valiance/vulnerability/wordpress-valiance-theme-1-2-php-object-injection-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Unauthenticated PHP Object Injection in Valiance <= 1.2 versions.", "supportingMedia": [{"type": "text/html", "value": "Unauthenticated PHP Object Injection in Valiance <= 1.2 versions.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-06-16T20:57:34.827Z"}}}, "cveMetadata": {"cveId": "CVE-2026-39578", "state": "PUBLISHED", "dateUpdated": "2026-06-17T10:39:39.567Z", "dateReserved": "2026-04-07T10:48:38.855Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-06-16T20:57:34.827Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}