PLUGIN SECURITY
Is Smart Slider 3 safe?
Responsive slider plugin to create sliders in visual editor easily. Build beautiful image slider, layer slider, video slider, post slider, and more.
What this plugin does
- Slug:
smart-slider-3 - Author: Nextendweb
- 800000+ active installs
- 98/100 rating (1123 reviews on wordpress.org)
- 24435929 all-time downloads
- On WordPress.org since 2015-11-12
carousel slidergalleryimage slidersliderslideshow
Maintenance status
- Latest known version: 3.5.1.38
- Last updated: 2026-08-19 11:47am GMT
- Tested up to WordPress: 7.0.4
- Requires PHP: 7.0+
- Max supported PHP (analyzed): <8.0
Known vulnerabilities
12 known CVEs on file for Smart Slider 3.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-12385 | Smart Slider 3 [smart-slider-3] < 3.5.1.38 | Exposure of Sensitive Information to an Unauthorized Actor | Medium 4.3 | < 3.5.1.38 | 3.5.1.38 | 2026-07-13 | ✓ fixed in latest |
| CVE-2026-15798 | Smart Slider 3 [smart-slider-3] < 3.5.1.39 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.4 | < 3.5.1.39 | 3.5.1.39 | 2026-07-13 | ⚠ update needed |
| CVE-2026-9197 | Smart Slider 3 [smart-slider-3] < 3.5.1.37 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | Medium 4.9 | < 3.5.1.37 | 3.5.1.37 | 2026-06-05 | ✓ fixed in latest |
| CVE-2024-3027 | Smart Slider 3 [smart-slider-3] < 3.5.1.23 | Improper Authorization | Medium 6.4 | < 3.5.1.23 | 3.5.1.23 | 2024-04-12 | ✓ fixed in latest |
| CVE-2023-0660 | Smart Slider 3 [smart-slider-3] < 3.5.1.14 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 3.5.1.14 | 3.5.1.14 | 2023-02-28 | ✓ fixed in latest |
| CVE-2022-45845 | Smart Slider 3 [smart-slider-3] < 3.5.1.11 | Deserialization of Untrusted Data | Medium 4.3 | < 3.5.1.11 | 3.5.1.11 | 2022-11-23 | ✓ fixed in latest |
| CVE-2022-45843 | Smart Slider 3 [smart-slider-3] < 3.5.1.11 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 3.5.1.11 | 3.5.1.11 | 2022-11-23 | ✓ fixed in latest |
| CVE-2022-3357 | Smart Slider 3 [smart-slider-3] < 3.5.1.11 | Deserialization of Untrusted Data | High 8.8 | < 3.5.1.11 | 3.5.1.11 | 2022-10-10 | ✓ fixed in latest |
+ 7 more known vulnerabilities
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2021-24382 | Smart Slider 3 [smart-slider-3] < 3.5.0.9 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 3.5.0.9 | 3.5.0.9 | 2021-06-07 | ✓ fixed in latest |
| — | Smart Slider 3 [smart-slider-3] < 3.5.1.29 | Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') | Medium 4.9 | < 3.5.1.29 | 3.5.1.29 | 0000-00-00 | ✓ fixed in latest |
| — | Smart Slider 3 [smart-slider-3] < 3.5.1.34 | — | Unknown | < 3.5.1.34 | 3.5.1.34 | 0000-00-00 | ✓ fixed in latest |
| — | Smart Slider 3 [smart-slider-3] < 3.5.1.34 | — | Medium 5.4 | < 3.5.1.34 | 3.5.1.34 | 0000-00-00 | ✓ fixed in latest |
| CVE-2025-6348 | Smart Slider 3 < 3.5.1.29 - Admin+ SQL Injection | — | Unknown | < 3.5.1.29 | 3.5.1.29 | — | ✓ fixed in latest |
| CVE-2026-3098 | Smart Slider 3 < 3.5.1.34 - Subscriber+ Arbitrary File Read via actionExportAll | — | Unknown | < 3.5.1.34 | 3.5.1.34 | — | ✓ fixed in latest |
| CVE-2026-4065 | Smart Slider 3 < 3.5.1.34 - Contributor+ Slider Data Read and Image Record Manipulation | — | Unknown | < 3.5.1.34 | 3.5.1.34 | — | ✓ fixed in latest |
How to fix it
Keep Smart Slider 3 updated — 3.5.1.38 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
- Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider — 500000+ active installs — 92/100 (738) — max PHP 8.4
- Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery — 300000+ active installs — 86/100 (4339) — max PHP 8.4
- Firelight Lightbox — 200000+ active installs — 96/100 (355) — max PHP 8.4
- Photo Gallery by 10Web – Mobile-Friendly Image Gallery — 100000+ active installs — 90/100 (1581)
- Gallery : FooGallery — 100000+ active installs — 96/100 (986)
Check your own WordPress site
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