SpeedyCache – Cache, Optimization, Performance vulnerabilities
Plugin slug speedycache · 6 known vulnerabilities · latest disclosed 2026-10-09 · WordPress.org page
Every listed vulnerability has a fix. Version 1.4.3 or later is not affected by any of them. If your site runs an older version, update it.
0 of 6 rated high or critical (CVSS 7 or more).
Known vulnerabilities in SpeedyCache – Cache, Optimization, Performance
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Low 3.7 | <= 1.4.2 | 1.4.3 | CVE-2026-104006 | 2026-10-09 | Advisory |
| Medium 4.9 | <= 1.3.8 | 1.3.9 | CVE-2026-5114 | 2026-07-27 | Advisory |
| Medium 4.3 | <= 1.1.8 | 1.1.9 | CVE-2024-43299 | 2024-08-16 | Advisory |
| Medium 4.3 | <= 1.1.3 | 1.1.4 | CVE-2023-6598 | 2023-12-16 | Advisory |
| Medium 5.4 | <= 1.1.2 | 1.1.3 | CVE-2023-49746 | 2023-12-04 | Advisory |
| Medium 4.3 | <= 1.1.2 | 1.1.3 | none | 2023-12-01 | Advisory |
Check if a site is affected
Enter a site address to see which version of SpeedyCache – Cache, Optimization, Performance and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the SpeedyCache – Cache, Optimization, Performance plugin safe to use?
All 6 known issues are fixed in current versions (1.4.3 or later). Keeping it updated is what matters.
How do I check which version of SpeedyCache – Cache, Optimization, Performance my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.