What’s Vulnerable › Vulnerabilities

CVE-2019-15866

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-09-03 · updated 2026-06-17
• Weakness: CWE-434

Description

The crelly-slider plugin before 1.3.5 for WordPress has arbitrary file upload via a PHP file inside a ZIP archive to wp_ajax_crellyslider_importSlider.

Affected products

• Crelly Slider: before 1.3.5 — fixed in 1.3.5

How to fix

Upgrade to a fixed version: Crelly Slider 1.3.5. Check the vendor advisory for mitigations.

References

• https://blog.nintechnet.com/arbitrary-file-upload-vulnerability-in-wordpress-crelly-slider-plugin/
• https://wordpress.org/plugins/crelly-slider/#developers
• https://blog.nintechnet.com/arbitrary-file-upload-vulnerability-in-wordpress-crelly-slider-plugin/
• https://wordpress.org/plugins/crelly-slider/#developers

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