CVE-2026-2278

Received Received - Intake

Unauthorized Data Modification in VW Writer Blog WordPress Theme

Publication date: 2026-09-19

Last updated on: 2026-09-19

Assigner: Wordfence

Description

The VW Writer Blog theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'vw_writer_blog_reset_all_settings' function in all versions up to, and including, 1.3.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset all theme customizer settings to their defaults.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-19

Last Modified

2026-09-19

Generated

2026-09-20

AI Q&A

2026-09-20

EPSS Evaluated

N/A

NVD

CVE-2026-2278

Affected Vendors & Products

Vendor	Product	Version / Range
vw_writer_blog	vw_writer_blog_theme	to 1.3.8 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

The VW Writer Blog WordPress theme has a flaw where the function 'vw_writer_blog_reset_all_settings' lacks proper permission checks. This allows attackers with Subscriber-level access or higher to reset all theme settings to default values without authorization.

Detection Guidance

This vulnerability can be detected by checking for unauthorized resets of theme customizer settings. Look for logs or changes in WordPress theme settings that were not initiated by an administrator. No specific commands are provided in the context.

Impact Analysis

If exploited, this vulnerability could allow attackers to alter your WordPress theme settings, potentially disrupting your site's appearance or functionality. It requires only low-privilege access, making it easier for attackers to compromise your site.

Mitigation Strategies

Update the VW Writer Blog theme to the latest version if available. Restrict Subscriber-level access to only trusted users. Review theme customizer settings for unauthorized changes and reset them if compromised.

Hi! I’m here to help you understand CVE-2026-2278. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70