CVE-2023-32121

WordPress Zero Spam Plugin <= 5.4.4 is vulnerable to SQL Injection

7.6 High

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Highfivery LLC Zero Spam for WordPress allows SQL Injection.This issue affects Zero Spam for WordPress: from n/a through 5.4.4.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: Low

Exploit likelihood

0.73%Up 0.7 points since Nov 4, 2023

What each source reports

CVE List Score used 7.6

WordPress Zero Spam Plugin <= 5.4.4 is vulnerable to SQL Injection

Record: CVE-2023-32121
CVSS 3.1: 7.6 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

EUVDEUVD-2023-36389 7.6

Record: EUVD-2023-36389
CVSS 3.1: 7.6 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-pfp8-5w8q-66mv 7.2

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')...

Record: GHSA-pfp8-5w8q-66mv
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

NVD 7.6

Record: CVE-2023-32121
CVSS 3.1: 7.6 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-32121 is a high vulnerability (CVSS 7.6) in Highfivery Zero Spam For Wordpress, published November 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. No source names a fixed version.