WP Vulnerability WatchVulnerability data as of September 7, 2026

Known vulnerabilities in Leaky Paywall

The subscription engine for news & niche publishers.

5Reported vulnerabilities
6.4Highest CVSS score
5.1.6Latest version
600+Active installs

What to do now

Update Leaky Paywall to 5.0 or later. 5 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 29, 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.

CVESeverityExploit probability
next 30 days		 Affected versionsFixed inPublished
CVE-2021-39357 Medium 4.8 0.9% 4.16.5 and earlier 4.16.6 October 21, 2021
CVE-2025-31083 Medium 6.4 0.2% 4.21.7 and earlier 4.21.8 March 28, 2025
CVE-2025-66124 Medium 5.3 0.3% 4.22.6 and earlier 5.0 December 10, 2025
CVE-2024-33594 Medium 5.3 0.5% 4.20.8 and earlier 4.20.9 April 25, 2024
CVE-2024-37540 Medium 4.3 0.2% 4.21.2 and earlier 4.21.3 July 6, 2024

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