CVE-2025-6990 - CVE House

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Status published High CVE-2025-6990

Kallyas <= 4.24.0 - Authenticated (Contributor+) Remote Code Execution

8.8 CVSS

Vulnerability Description

The kallyas theme for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.24.0 via the `TH_PhpCode` pagebuilder widget. This is due to the theme not restricting access to the code editor widget for non-administrators. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Matthew Rollings

References

More from hogash

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Kallyas <= 4.21.0 - Authenticated (Contributor+) Local File Inclusion

Kallyas <= 4.21.0 - Authenticated (Contributor+) Arbitrary Folder Deletion

Kallyas <= 4.23.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

WordPress KALLYAS theme < 4.25.0 - Cross Site Scripting (XSS) vulnerability

WordPress KALLYAS theme < 4.25.0 - Cross Site Request Forgery (CSRF) vulnerability

Affected Vendor

hogash

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Affected Software

KALLYAS - Creative eCommerce Multi-Purpose WordPress Theme

Vulnerable Versions:

0

Timeline

Official Publish: November 1st, 2025

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1059 Command and Scripting Interpreter

T1505.003 Web Shell

T1105 Ingress Tool Transfer

Command and Control

T1565.002 Stored Data Manipulation