Zero Spam <= 5.5.6 — Spam Protection Bypass
CVE-2024-32521Published · Updated Action summary
Affected: ≤5.5.6Update to 5.5.7 or newer
All remediation steps- Severity
- Medium5.3
- CVSS
- 5.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Zero Spam for WordPress zero-spam
- Affected≤ 5.5.6
- Patched in5.5.7
Update to 5.5.7 or newer.
You are affected if you run ≤ 5.5.6. Version 5.5.7 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Zero Spam for WordPress.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 5.5.7, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Zero Spam for WordPress to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Brandon James Roldan (tomorrowisnew).
The Zero Spam for WordPress plugin for WordPress is vulnerable to spam protection bypass in all versions up to, and including, 5.5.6.. This makes it possible for unauthenticated attackers to bypass spam protections.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Zero Spam for WordPress
All 7| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated Spam Protection Bypass on Login ≤5.7.11Update to 5.7.12 | CVE-2026-105057 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Nested POST Array Keys via Contact Form 7 Integration ≤5.7.10Update to 5.7.11 | CVE-2026-96752 | |
| High7.2 | Authenticated (Administrator+) SQL Injection ≤5.4.4Update to 5.4.5 | CVE-2023-32121 | |
| High7.2 | Authenticated(Administrator+) SQL Injection <5.4.5Update to 5.4.5 | — | |
| High7.2 | Admin+ SQL Injection ≤5.2.10Update to 5.2.11 | CVE-2022-0254 |
- Medium5.3Unauthenticated Spam Protection Bypass on Login
≤5.7.11Update to 5.7.12
- High7.2Unauthenticated Stored Cross-Site Scripting via Nested POST Array Keys via Contact Form 7 Integration
≤5.7.10Update to 5.7.11
- High7.2Authenticated (Administrator+) SQL Injection
≤5.4.4Update to 5.4.5
- High7.2Authenticated(Administrator+) SQL Injection
<5.4.5Update to 5.4.5
- High7.2Admin+ SQL Injection
≤5.2.10Update to 5.2.11
Timeline
CVE published
Severity medium, CVSS 5.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.