PLUGIN SECURITY
Is Sg Cachepress safe?
Boost your website performance and page speed, and increase conversions with powerful caching, frontend, media, and environment optimizations.
What this plugin does
- Slug:
sg-cachepress - Author: SiteGround
- 1000000+ active installs
- 84/100 rating (639 reviews on wordpress.org)
- 104759793 all-time downloads
- On WordPress.org since 2014-11-25
cachingnginxperformanceSiteGroundspeed
Maintenance status
- Latest known version: 7.8.0
- Last updated: 2026-08-25 11:31am GMT
- Tested up to WordPress: 7.1
- Requires PHP: 7.0+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
4 known CVEs on file for Sg Cachepress. Reported between 2019 and 2026.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-3220 | Speed Optimizer – The All-In-One Performance-Boosting Plugin [sg-cachepress] < 7.7.9 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Unknown | < 7.7.9 | 7.7.9 | 2026-04-27 | ✓ fixed in latest |
| CVE-2024-32532 | Speed Optimizer – The All-In-One Performance-Boosting Plugin [sg-cachepress] < 7.5.0 | Missing Authorization | Medium 5.3 | < 7.5.0 | 7.5.0 | 2024-04-15 | ✓ fixed in latest |
| CVE-2026-15421 | Speed Optimizer – The All-In-One Performance-Boosting Plugin [sg-cachepress] < 7.8.1 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.4 | < 7.8.1 | 7.8.1 | 2024-04-15 | ⚠ update needed |
| CVE-2019-25217 | Speed Optimizer – The All-In-One Performance-Boosting Plugin [sg-cachepress] < 5.0.13 | Missing Authorization | Critical 9.8 | < 5.0.13 | 5.0.13 | 2019-03-14 | ✓ fixed in latest |
| — | Speed Optimizer – The All-In-One Performance-Boosting Plugin [sg-cachepress] < 5.0.13 | — | Unknown | < 5.0.13 | 5.0.13 | — | ✓ fixed in latest |
| — | SG Optimizer <= 5.0.12 - Unauthenticated File Upload | — | Unknown | < 5.0.13 | 5.0.13 | — | ✓ fixed in latest |
How to fix it
Keep Sg Cachepress updated — 7.8.0 is the latest version on wordpress.org, and each CVE above lists the exact release that fixed it ("Fixed in").
This is the plugin's full known vulnerability history, not a scan of any specific installation — run a free scan of your own site to check your exact installed version.
Safer / more established alternatives
- LiteSpeed Cache — 7000000+ active installs — 96/100 (2764) — max PHP 8.4
- WP Super Cache — 1000000+ active installs — 86/100 (1345) — max PHP 8.4
- WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance — 1000000+ active installs — 96/100 (2606) — max PHP 8.4
- W3 Total Cache — 900000+ active installs — 88/100 (5420)
- Redis Object Cache — 400000+ active installs — 90/100 (176)
Check your own WordPress site
Run a free passive scan now, or create a free account and install the WP Clinic plugin for a deep scan of your whole hosting account and AI-assisted repair.