CVE-2025-8999

MediumCVSS 5.3/10Last modified Sep 26, 2026

Description

The Sydney theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'activate_modules' function in all versions up to, and including, 2.56. This makes it possible for authenticated attackers, with Subscriber-level access and above, to activate or deactivate various theme modules.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-862

Affected software

Vendor	Product	Versions
athemes	Sydney	<= 2.56

References

Timeline

Published: Sep 17, 2025
Last modified: Sep 26, 2026
NVD status: Deferred

Related CVEs from 2025

CVE-2025-90007.0A vulnerability was detected in Mechrevo Control Center GX V2 5.56.51.48. Impacted is an unknown function of the component reg File Handler.CVE-2025-90017.5A vulnerability was determined in LemonOS up to nightly-2024-07-12 on LemonOS. Affected by this issue is the function HTTPGet of the file /A CVE-2025-90029.8A vulnerability was identified in Surbowl dormitory-management-php 1.0. This affects an unknown part of the file login.php. The manipulation CVE-2025-90035.4A vulnerability has been found in D-Link DIR-818LW 1.04. This vulnerability affects unknown code of the file /bsc_lan.php of the component D CVE-2025-90049.1A vulnerability was found in mtons mblog up to 3.5.0. This issue affects some unknown processing of the file /settings/password. The manipul CVE-2025-90053.7A vulnerability was determined in mtons mblog up to 3.5.0. Affected is an unknown function of the file /register. The manipulation leads to CVE-2025-90068.8A vulnerability was identified in Tenda CH22 1.0.0.1. Affected by this vulnerability is the function formdelFileName of the file /goform/del CVE-2025-90078.8A vulnerability has been found in Tenda CH22 1.0.0.1. Affected by this issue is the function formeditFileName of the file /goform/editFileNa CVE-2025-90089.8A vulnerability was identified in itsourcecode Online Tour and Travel Management System 1.0. This issue affects some unknown processing of t CVE-2025-90099.8A vulnerability has been found in itsourcecode Online Tour and Travel Management System 1.0. Affected is an unknown function of the file /ad CVE-2025-90109.8A vulnerability was found in itsourcecode Online Tour and Travel Management System 1.0. Affected by this vulnerability is an unknown functio CVE-2025-90119.8A vulnerability was determined in PHPGurukul Online Shopping Portal Project 2.0. Affected by this issue is some unknown functionality of the