PLUGIN SECURITY
Is Wp Super Cache safe?
A very fast caching engine for WordPress that produces static html files.
What this plugin does
- Slug:
wp-super-cache - Author: Automattic
- 1000000+ active installs
- 86/100 rating (1345 reviews on wordpress.org)
- 64742819 all-time downloads
- On WordPress.org since 2007-11-05
cachecachingperformanceWP CacheWP Super Cache
Maintenance status
- Latest known version: 3.1.1
- Last updated: 2026-05-27 5:38pm GMT
- Tested up to WordPress: 7.0.4
- Requires PHP: 7.4+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
6 known CVEs on file for Wp Super Cache. Reported between 2013 and 2022.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| — | WP Super Cache [wp-super-cache] < 1.9 | — | Unknown | < 1.9 | 1.9 | 2022-10-03 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.9 | — | Unknown | < 1.9 | 1.9 | 2022-10-03 | ✓ fixed in latest |
| CVE-2021-24312 | WP Super Cache [wp-super-cache] < 1.7.3 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | High 7.2 | < 1.7.3 | 1.7.3 | 2021-05-14 | ✓ fixed in latest |
| CVE-2021-24329 | WP Super Cache [wp-super-cache] < 1.7.3 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 1.7.3 | 1.7.3 | 2021-04-12 | ✓ fixed in latest |
| CVE-2021-24209 | WP Super Cache [wp-super-cache] < 1.7.2 | Improper Control of Generation of Code ('Code Injection') | High 7.2 | < 1.7.2 | 1.7.2 | 2021-03-16 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.9 | — | Unknown | < 1.4.9 | 1.4.9 | 2017-02-03 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.5 | — | Unknown | < 1.4.5 | 1.4.5 | 2015-09-26 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.5 | — | Unknown | < 1.4.5 | 1.4.5 | 2015-09-26 | ✓ fixed in latest |
+ 18 more known vulnerabilities
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| — | WP Super Cache [wp-super-cache] < 1.4.5 | — | Unknown | < 1.4.5 | 1.4.5 | 2015-09-25 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.5 | — | Unknown | < 1.4.5 | 1.4.5 | 2015-09-25 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.5 | — | Unknown | < 1.4.5 | 1.4.5 | 2015-09-25 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.3 | — | Unknown | < 1.4.3 | 1.4.3 | 2015-05-15 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.3.1 | — | Unknown | < 1.3.1 | 1.3.1 | 2015-05-15 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.3 | — | Unknown | < 1.4.3 | 1.4.3 | 2015-04-07 | ✓ fixed in latest |
| CVE-2013-2009 | WP Super Cache [wp-super-cache] < 1.3.2 | — | High 8.8 | < 1.3.2 | 1.3.2 | 2014-08-01 | ✓ fixed in latest |
| CVE-2013-2008 | WP Super Cache [wp-super-cache] < 1.3.1 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.1 | < 1.3.1 | 1.3.1 | 2014-08-01 | ✓ fixed in latest |
| CVE-2013-2011, CVE-2013-2009 | WP Super Cache [wp-super-cache] < 1.3.2 | Improper Encoding or Escaping of Output | High 8.8 | < 1.3.2 | 1.3.2 | 2014-08-01 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.3 | — | Unknown | < 1.3 | 1.3 | 2013-04-24 | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.9 | — | Unknown | < 1.9 | 1.9 | — | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.9 | — | Unknown | < 1.4.9 | 1.4.9 | — | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.5 | — | Unknown | < 1.4.5 | 1.4.5 | — | ✓ fixed in latest |
| — | WP Super Cache [wp-super-cache] < 1.4.3 | — | Unknown | < 1.4.3 | 1.4.3 | — | ✓ fixed in latest |
| — | WP Super Cache < 1.4.3 - Stored Cross-Site Scripting (XSS) | — | Unknown | < 1.4.3 | 1.4.3 | — | ✓ fixed in latest |
| — | WP Super Cache < 1.4.9 - Cross-Site Scripting (XSS) | — | Unknown | < 1.4.9 | 1.4.9 | — | ✓ fixed in latest |
| — | WP Super Cache < 1.4.5 - PHP Object Injection | — | Unknown | < 1.4.5 | 1.4.5 | — | ✓ fixed in latest |
| — | WP Super Cache < 1.9 - Unauthenticated Cache Poisoning | — | Unknown | < 1.9 | 1.9 | — | ✓ fixed in latest |
How to fix it
Keep Wp Super Cache updated — 3.1.1 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 Fastest Cache – WordPress Cache Plugin — 1000000+ active installs — 98/100 (4223) — max PHP 8.4
- WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance — 1000000+ active installs — 96/100 (2604) — max PHP 8.4
- Speed Optimizer – The All-In-One Performance-Boosting Plugin — 1000000+ active installs — 84/100 (639) — max PHP 8.4
- W3 Total Cache — 900000+ active installs — 88/100 (5420)
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.