Known vulnerabilities in Stop Spammers Classic

A simplified, restored, and preserved version of the original Stop Spammers plugin.

9Reported vulnerabilities

9.8Highest CVSS score

2026.6Latest version

30,000+Active installs

What to do now

Update Stop Spammers Classic to 2026.4 or later. 9 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 18, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2022-4120	Critical 9.8	18.1%	Before 2022.6	`2022.6`	December 26, 2022
CVE-2021-24245	Medium 6.1	5.7%	Before 2021.9	`2021.9`	May 6, 2021
CVE-2023-2488	Medium 6.1	0.5%	Before 2023	`2023`	June 5, 2023
CVE-2021-24517	Medium 5.4	0.6%	Before 2021.18	`2021.18`	September 6, 2021
CVE-2023-2489	Medium 4.8	0.4%	Before 2023	`2023`	June 5, 2023
CVE-2026-48876	High 7.2	0.3%	2026.3 and earlier	`2026.4`	June 1, 2026
CVE-2025-2935	Medium 5.4	0.2%	0 to 2024.7 (inclusive)	`2025`	June 6, 2025
CVE-2023-7065	Medium 5.4	0.2%	2024.4 and earlier	`2024.5`	May 3, 2024
CVE-2025-14795	Medium 4.3	0.2%	0 to 2026.1 (inclusive)	`2026.2`	January 28, 2026

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.