WP Security CheckVulnerability data as of November 4, 2026

Known vulnerabilities in Subscribe to Comments

Subscribe to Comments allows commenters on an entry to subscribe to e-mail notifications for subsequent comments.

7Reported vulnerabilities
7.2Highest CVSS score
2.3.1Latest version
10,000+Active installs

What to do now

Update Subscribe to Comments to 2.3.3 or later. 6 of these have a fixed version available. Updating resolves them.

Plugin last updated: October 29, 2024 / Tested up to WordPress: 4.3.34 / View on wordpress.org

This plugin has not been updated in over two years. New vulnerabilities may never be fixed. Consider an alternative.

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.

CVESeverityExploit probability
next 30 days
Affected versionsFixed inPublished
CVE-2015-10133 High 7.2 2.4% 2.1.2 and earlier 2.3 July 19, 2025
CVE-2026-91829 Medium 6.1 0.2% 2.3.2 and earlier 2.3.3 October 9, 2026
CVE-2024-8792 Medium 6.1 0.4% 2.3 and earlier 2.3.1 October 30, 2024
CVE-2006-10001 Medium 5.4 0.6% Before 2.0.8 2.0.8 March 5, 2023
CVE-2026-91830 Medium 5.3 0.2% 2.3.2 and earlier 2.3.3 October 13, 2026
CVE-2026-66706 Medium 5.4 0.2% 2.3.1 and earlier — August 6, 2026
CVE-2026-91831 Low 3.8 0.2% 2.3 up to (but not including) 2.3.3 2.3.3 October 19, 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.