Sydney

Sydney has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it is fixed as of September 2026. Their average CVSS score is 5.3, and the most serious one scores 5.3 out of 10.

The most common weakness is Missing Authorization, behind 1 of the records (100%).

The one issue recorded for Sydney has a vendor fix available, so running the current release closes it.

All of these findings were reported by Dmitrii Ignatyev. Sydney is installed on roughly 80,000 WordPress sites, so each unpatched flaw has a wide blast radius.

Strategic Overview

Avg CVSSMedium

5.3/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all Sydney vulnerabilities before they are exploited.

Highest severity on recordCVSS 5.3CVE-2025-8999

Sydney <= 2.56 - Missing Authorization to Authenticated (Subscriber+) Limited Theme Options Update

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Vulnerability Records

1 records


2025-09-16 00:00	Sydney <= 2.56 - Missing Authorization to Authenticated (Subscriber+) Limited Theme Options Update Sydney <= 2.56	`CVE-2025-8999`	5.3 Medium	Dmitrii Ignatyev	Yes

Showing 1–1 of 1 reports

Latestv2.71

Sydney

Author

aThemes

4.9(794)

98/100

Last Updated

2026-08-26 (18d ago)

Active Installs

80,000+

Downloads

4,998,688

Requires WP

Requires PHP

7.2+

Created

2015-04-25 (12y ago)

Sydney is a fast, highly customizable WordPress theme for businesses, freelancers, and creative portfolios that want a professional online presence. It works with both Elementor and the WordPress block editor and includes a library of block patterns for building pages fast. Sydney gives you full design control: all Google Fonts, color and layout options, logo upload, a full-screen slider, header images, and sticky navigation. It's responsive, translation- and RTL-ready, WooCommerce-compatible, and built with clean, SEO-friendly code. With 80,000+ active installs and a 4.9-star rating from 750+ reviews, Sydney is a trusted choice for company and portfolio sites. Start fast by importing a ready-made demo: https://athemes.com/sydney-demos/