CVE-2026-24545 MEDIUM

CVE-2026-24545: WordPress QR Redirector plugin <= 2.0.3 - Broken Access Control vulnerability

Vendor Nikki Blight

Product QR Redirector

Weakness CWE-862 · Missing authorization

Published May 25, 2026

Last update May 26, 2026

View on NVD All CVEs

CVSS base score

4.3/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Nikki Blight QR Redirector allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects QR Redirector: from n/a through 2.0.3.

Explanation of Vulnerability in Simple Terms

02Summary

QR Redirector through version 2.0.3 lacks proper authorization checks, allowing authenticated users to modify redirect targets without proper permission validation. An attacker with low-level account access can alter QR code destinations to point to malicious sites. The vulnerability requires valid login credentials but no special privileges.

What an attacker can do

03Attacker Capabilities

Change where QR codes redirect to, potentially sending users to malicious websites.

Potential impact on your site

04Site Impact

QR codes managed by the plugin could be redirected to phishing or malware sites without admin knowledge.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account with low-level access to the site.

Key dates

06Disclosure timeline

May 25, 2026 CVE published

May 26, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-24545 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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