Known vulnerabilities in SpeedyCache – Cache, Optimization, Performance

SpeedyCache is a WordPress cache plugin that helps you improve performance of your WordPress site by caching, minifying, and compressing your website.

5Reported vulnerabilities

5.4Highest CVSS score

1.4.0Latest version

600,000+Active installs

What to do now

Update SpeedyCache – Cache, Optimization, Performance to 1.3.9 or later. 5 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 24, 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-2023-49746	Medium 5.4	0.3%	1.1.2 and earlier	`1.1.3`	December 4, 2023
CVE-2026-5114	Medium 4.9	0.3%	0 to 1.3.8 (inclusive)	`1.3.9`	July 28, 2026
CVE-2024-43299	Medium 4.3	0.2%	1.1.8 and earlier	`1.1.9`	August 16, 2024
CVE-2023-6598	Medium 4.3	0.4%	1.1.3 and earlier	`1.1.4`	January 11, 2024
WF-ac7c0dde-5299-4938-beed-eb2fe227a812	Medium 4.3	—	1.1.2 and earlier	`1.1.3`	December 1, 2023

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