PT-2026-23171 · Ancorathemes · Quantum

Tran Nguyen Bao Khanh · CVE-2026-22421 · Published 2026-03-05 · Updated 2026-03-08

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions AncoraThemes Quantum versions prior to 1.1

Description The software contains a flaw related to improper control of filename handling for include/require statements, specifically a PHP Remote File Inclusion issue. This allows for PHP Local File Inclusion.

Recommendations Update to version 1.1 or later.

Fix

Weakness Enumeration

CWE-98

Related Identifiers

CVE-2026-22421

Affected Products

Quantum

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-22421 · Security Note
• https://patchstack.com/database/Wordpress/Theme/quantum/vulnerability/wordpress-quantum-theme-1-0-local-file-inclusion-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2030755371833315337 · Twitter Post