CVE-2023-40678 MEDIUM

CVE-2023-40678: WordPress Simple URLs plugin <= 117 - Broken Access Control vulnerability

Vendor Andrew Fiebert

Product Simple URLs

Weakness CWE-862 · Missing authorization

Published December 13, 2024

Last update May 11, 2026

View on NVD All CVEs

CVSS base score

5.4/10

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:L

What the vulnerability does

01Description

Missing Authorization vulnerability in Andrew Fiebert Simple URLs simple-urls allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simple URLs: from n/a through <= 117.

Explanation of Vulnerability in Simple Terms

02Summary

Simple URLs versions 117 and earlier lack proper authorization checks, allowing authenticated users to modify or delete URL records they should not have access to. An attacker with a low-privilege account can alter the integrity of URL mappings or cause denial of service by removing entries. No confidentiality breach occurs. Update to a version newer than 117.

What an attacker can do

03Attacker Capabilities

Modify or delete URL records belonging to other users or the site.

Potential impact on your site

04Site Impact

Authenticated users can tamper with URL mappings, disrupting site navigation or removing important redirects.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site.

Key dates

06Disclosure timeline

December 13, 2024 CVE published

May 11, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-40678 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

Related vulnerabilities