CVE-2024-32521 MEDIUM

CVE-2024-32521: WordPress Zero Spam for WordPress plugin <= 5.5.6 - Bypass Spam Protection vulnerability

Vendor Highfivery Llc

Product Zero Spam

Weakness CWE-602 · Client-side enforcement

Published May 17, 2024

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

Client-Side Enforcement of Server-Side Security vulnerability in Highfivery LLC Zero Spam allows Removing Important Client Functionality.This issue affects Zero Spam: from n/a through 5.5.6.

Explanation of Vulnerability in Simple Terms

02Summary

Zero Spam versions up to 5.5.6 contain an integrity vulnerability that allows an attacker to modify data without authentication. The vulnerability requires only network access and no user interaction. Site administrators should update to a version newer than 5.5.6 to prevent unauthorized data modification.

What an attacker can do

03Attacker Capabilities

Modify data on the site without logging in.

Potential impact on your site

04Site Impact

Attackers can alter site content or settings without permission.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

May 17, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-32521 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/602.html

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