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Vulnerability record · CVE-2026-14805 · published 15 September 2026

CVE-2026-14805: Improper privilege management vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.31% · top 78.7% CWE-269 · Improper privilege management Deferred
8.8CVSS 3.1 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Sep 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://themeforest.net/item/consulting-business-finance-wordpress-theme/14740561#item-description__changelog
https://www.wordfence.com/threat-intel/vulnerabilities/id/bc8dffc2-ae5b-4482-9eba-adc439a52c26?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-14805), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.