CVE-2026-1405
CriticalExploitedSlider Future <= 1.0.5 - Unauthenticated Arbitrary File Upload
Published Feb 19, 2026 · Updated Apr 8, 2026 · Also known as 34b52ca2-c05f-49b7-846f-a67136d7d379
Key Facts
Patch immediately- CVE-2026-1405 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Slider Future (wordpress-plugin).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Apr 6, 2026. No public exploit code is known.
- EPSS estimates a 3.5% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
3.5%
Higher than 88.9% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
None known
Get the full CVE-2026-1405 brief as a PDF
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Description
The Slider Future plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'slider_future_handle_image_upload' function in all versions up to, and including, 1.0.5. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Apr 6, 2026 | n/a | Not reported |
| CIRCL KEV | Apr 6, 2026 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Slider Futurewordpress-plugin | See advisory | n/a |
Timeline
Publicly disclosed
Feb 19, 2026
Added to Industry KEV feed
Apr 6, 2026
Added to CIRCL KEV
Apr 6, 2026
Last updated
Apr 8, 2026
Weakness Type
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/34b52ca2-c05f-49b7-846f-a67136d7d379?source=api-prod
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/34b52ca2-c05f-49b7-846f-a67136d7d379?source=api-scan
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
The Slider Future plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'slider_future_handle_image_upload' function in all versions up to, and including, 1.0.5.
Affected: Slider Future (wordpress-plugin). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Apr 6, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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