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WordPress plugin

Stop Spammers Classic security & vulnerabilities

stop-spammer-registrations-plugin— active installsLast vulnerability Nov 6, 2026

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.

10Known vulnerabilities
  • Critical1
  • High1
  • Medium8
  • Low0
Vulnerabilities per year
2021: 2 vulnerabilities2212022: 1 vulnerability1222023: 2 vulnerabilities2232024: 1 vulnerability1242025: 1 vulnerability1252026: 3 vulnerabilities326

All Stop Spammers Classic vulnerabilities

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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.

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