CVE-2024-43209 MEDIUM

CVE-2024-43209: WordPress Bitly's WordPress Plugin plugin <= 2.7.2 - Broken Access Control vulnerability

Vendor Bitly
Product Bitly
Weakness CWE-862 · Missing authorization
Published November 1, 2024
Last update April 28, 2026

CVSS base score

6.5/10
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:L

What the vulnerability does

01Description

Missing Authorization vulnerability in Bitly allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Bitly: from n/a through 2.7.2.

Explanation of Vulnerability in Simple Terms

02Summary

Bitly versions up to 2.7.2 lack proper authorization checks, allowing unauthenticated attackers to modify data and disrupt service availability. An attacker can send network requests without credentials to trigger unauthorized changes or cause the application to become unavailable. No user interaction is required. Update to a version newer than 2.7.2.

What an attacker can do

03Attacker Capabilities

Modify data and disrupt service availability without authentication.

Potential impact on your site

04Site Impact

Unauthorized users can alter content and cause service disruptions on your Bitly instance.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

November 1, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE