Is there a public exploit for CVE-2026-13764?

No public exploit for CVE-2026-13764 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-13764?

CVE-2026-13764 scores CVSS 8.8 (v3.1), rated high.

What does CVE-2026-13764 affect?

CVE-2026-13764 affects StylemixThemes Masterstudy - Education WordPress Theme.

8.8 High

The Masterstudy - Education WordPress Theme theme for WordPress is vulnerable to Privilege Escalation in all versions up to, and including,…

CVE-2026-13764

The Masterstudy - Education WordPress Theme theme for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 4.8.151. This is due to missing authorization and nonce validation on the masterstudymsstmsetdiscardtransient AJAX action. This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to Administrator by setting the stmdeveloperaccesstoken transient and using the developer access auto-login flow to obtain administrator session cookies.

Assessment

CVSS: 8.8 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 12 November 2026
Last updated: 12 November 2026
Affected: StylemixThemes · Masterstudy - Education WordPress Theme
Assigner: Wordfence

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

At the source

EUVD (ENISA)

References

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