CVE-2025-49376 MEDIUM

CVE-2025-49376: WordPress DELUCKS SEO plugin <= 2.5.9 - Broken Access Control vulnerability

Vendor Delucks

Product DELUCKS SEO

Weakness CWE-862 · Missing authorization

Published October 22, 2025

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in DELUCKS DELUCKS SEO delucks-seo allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects DELUCKS SEO: from n/a through <= 2.5.9.

Explanation of Vulnerability in Simple Terms

02Summary

Delucks SEO versions 2.5.9 and earlier lack proper authorization checks, allowing unauthenticated attackers to modify site data. An attacker can send network requests to alter content without needing to log in or interact with a user. This affects the integrity of your site's information but does not expose sensitive data or cause downtime.

What an attacker can do

03Attacker Capabilities

Modify site data without authentication.

Potential impact on your site

04Site Impact

Attackers can alter your site's content or settings without a valid account.

Conditions required to exploit

05Prerequisites

Network access to the site; no login or user interaction required.

Key dates

06Disclosure timeline

October 22, 2025 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-49376 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html

Related vulnerabilities

08Related CVE

CVE-2026-12113 Appointment Booking Calendar <= 1.4.02 - Missing Authorization to Authenticated (Contributor+) Sensitive Information Disclosure CVE-2026-11600 Envo's Templates & Widgets for Elementor and WooCommerce <= 1.4.26 - Missing Authorization to Authenticated (Author+) Private Content Disclosure via Envo Tabs Widget 'templates' Setting CVE-2025-66076 WordPress Woostify Sites Library plugin <= 1.6.2 - Broken Access Control vulnerability CVE-2026-12472 Kirki <= 6.0.11 - Missing Authorization to Unauthenticated Arbitrary Email Content Injection (Mail Relay / Phishing) via 'emailBody' and 'emailSubject' Parameters CVE-2026-58448 yudao-cloud < 2026.06 - BPM Module Broken Access Control via process-instance API