WordPress plugin
Stop Spammers Classic security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 10 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical1
- High1
- Medium8
- Low0
All Stop Spammers Classic vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.7 | Unauthenticated Stored Cross-Site Scripting via 'author' Parameter ≤2026.6Update to 2026.7 | CVE-2026-120477 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤2026.3Update to 2026.4 | CVE-2026-48876 | |
| Medium4.3 | Cross-Site Request Forgery via Email Allowlist ≤2026.1Update to 2026.2 | CVE-2025-14795 | |
| Medium5.4 | Cross-Site Request Forgery to Multiple Administrative Actions ≤2024.7Update to 2025 | CVE-2025-2935 | |
| Medium5.4 | Cross-Site Request Forgery (CSRF) via sfs_process ≤2024.4Update to 2024.5 | CVE-2023-7065 | |
| Medium4.4 | Authenticated (Admin+) Stored Cross-Site Scripting ≤2022.6Update to 2023 | CVE-2023-2489 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤2022.6Update to 2023 | CVE-2023-2488 | |
| Critical9.8 | Unauthenticated PHP Object Injection ≤2022.5Update to 2022.6 | CVE-2022-4120 | |
| Medium4.8 | Authenticated (Admin+) Stored Cross-Site Scripting <2021.18Update to 2021.18 | CVE-2021-24517 | |
| Medium6.1 | Reflected Cross-Site Scripting <2021.9Update to 2021.9 | CVE-2021-24245 |
- Medium4.7Unauthenticated Stored Cross-Site Scripting via 'author' Parameter
≤2026.6Update to 2026.7
- High7.2Unauthenticated Stored Cross-Site Scripting
≤2026.3Update to 2026.4
- Medium4.3Cross-Site Request Forgery via Email Allowlist
≤2026.1Update to 2026.2
- Medium5.4Cross-Site Request Forgery to Multiple Administrative Actions
≤2024.7Update to 2025
- Medium5.4Cross-Site Request Forgery (CSRF) via sfs_process
≤2024.4Update to 2024.5
- Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤2022.6Update to 2023
- Medium6.1Reflected Cross-Site Scripting
≤2022.6Update to 2023
- Critical9.8Unauthenticated PHP Object Injection
≤2022.5Update to 2022.6
- Medium4.8Authenticated (Admin+) Stored Cross-Site Scripting
<2021.18Update to 2021.18
- Medium6.1Reflected Cross-Site Scripting
<2021.9Update to 2021.9
Stop Spammers Classic: common questions
Does Stop Spammers Classic have known vulnerabilities?
Yes. VulnCrest Radar lists 10 known vulnerabilities in Stop Spammers Classic: 1 critical, 1 high, 8 medium. None are known to affect version null.
How do I check which version of Stop Spammers Classic I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Stop Spammers Classic vulnerability?
CVE-2026-120477, published Nov 6, 2026: Stop Spammers Classic <= 2026.6 - Unauthenticated Stored Cross-Site Scripting via 'author' Parameter. Severity: Medium (CVSS 4.7).
Is any Stop Spammers Classic vulnerability listed in CISA KEV?
No. None of the known Stop Spammers Classic vulnerabilities is currently listed in the CISA KEV catalog.