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PHP EUVDEUVD-2026-78466

| CVE-2026-14805 HIGH
Improper Privilege Management (CWE-269)
2026-09-15 security@wordfence.com GHSA-qhgg-3j23-p87j
PHP WordPress Privilege Escalation
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Sep 15, 2026 - 13:30 vuln.today
CVE Published
Sep 15, 2026 - 13:16 nvd
HIGH 8.8

DescriptionNVD

The Consulting theme for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 6.7.16. This is due to a combination of two flaws: (1) the masterstudy_ms_stm_set_discard_transient AJAX endpoint in admin/admin-notices/classes/STMHandler.php accepts an arbitrary transient key without capability checks or nonce validation, and (2) the developer access login mechanism in admin/classes/stm-theme-support.php authenticates users based on a transient value without proper cryptographic validation when in legacy string mode. This makes it possible for authenticated attackers, with subscriber-level access and above, to set the stm_developer_access_token transient to a known value (1), then authenticate as any existing user including administrators by visiting a specially crafted URL, thereby achieving full privilege escalation to administrator.

Articles & Coverage 1

News We need answer only title. Need include format "N New [Product] Vulnerabilities - X Critical, Y With POC". Here total 6, product WordPress, severity high all 6, no critical, POC 0. Title: "6 New WordPress Vulnerabilities - 0 Critical, 0 With POC". But X Critical is 0 maybe weird. Example format. Max 100. Could say "6 New WordPress Vulnerabilities - 0 Critical, 0 With POC". That's 57 chars. Ensure no quotes. Return only title. But maybe if no Sep 15, 2026

AnalysisAI

Authenticated privilege escalation in the Consulting WordPress theme (versions up to and including 6.7.16) lets any subscriber-level user take over a site as administrator by chaining two coding flaws. The theme's masterstudy_ms_stm_set_discard_transient AJAX action writes an attacker-chosen transient value without any capability check or nonce, and the theme's "developer access" login path trusts a transient value in legacy string mode, so an attacker can seed a known token and then log in as any existing account, including an admin. …

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EUVD-2026-78466 vulnerability details – vuln.today
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